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From: nick <xerofoify@gmail.com>
To: Sven Eckelmann <sven@narfation.org>, b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [PATCH] batman-adv: Use bool as return type for boolean functions
Date: Mon, 22 Feb 2016 19:04:48 -0500	[thread overview]
Message-ID: <56CBA220.3010504@gmail.com> (raw)
In-Reply-To: <1456171359-19330-1-git-send-email-sven@narfation.org>



On 2016-02-22 03:02 PM, Sven Eckelmann wrote:
> It is easier to understand that the returned value of a specific function
> doesn't have to be 0 when the functions was successful when the actual
> return type is bool. This is especially true when all surrounding functions
> with return type int use negative values to return the error code.
> 
> Reported-by: Nicholas Krause <xerofoify@gmail.com>
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
>  net/batman-adv/bat_iv_ogm.c            |  23 ++---
>  net/batman-adv/bitarray.c              |  16 +--
>  net/batman-adv/bitarray.h              |  14 +--
>  net/batman-adv/bridge_loop_avoidance.c | 175 +++++++++++++++++----------------
>  net/batman-adv/bridge_loop_avoidance.h |  43 ++++----
>  net/batman-adv/debugfs.c               |   2 +-
>  net/batman-adv/distributed-arp-table.c |   6 +-
>  net/batman-adv/hard-interface.c        |  15 ++-
>  net/batman-adv/hash.h                  |   6 +-
>  net/batman-adv/main.h                  |   2 +-
>  net/batman-adv/network-coding.c        |  12 +--
>  net/batman-adv/originator.c            |   4 +-
>  net/batman-adv/originator.h            |   2 +-
>  net/batman-adv/routing.c               |  37 +++----
>  net/batman-adv/routing.h               |   6 +-
>  net/batman-adv/soft-interface.c        |   6 +-
>  net/batman-adv/soft-interface.h        |   2 +-
>  net/batman-adv/translation-table.c     |  31 +++---
>  18 files changed, 203 insertions(+), 199 deletions(-)
> 
> diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
> index cb2d1b9..d626842 100644
> --- a/net/batman-adv/bat_iv_ogm.c
> +++ b/net/batman-adv/bat_iv_ogm.c
> @@ -1133,13 +1133,13 @@ out:
>   * @if_incoming: interface where the packet was received
>   * @if_outgoing: interface for which the retransmission should be considered
>   *
> - * Return: 1 if the link can be considered bidirectional, 0 otherwise
> + * Return: true if the link can be considered bidirectional, false otherwise
>   */
> -static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
> -				 struct batadv_orig_node *orig_neigh_node,
> -				 struct batadv_ogm_packet *batadv_ogm_packet,
> -				 struct batadv_hard_iface *if_incoming,
> -				 struct batadv_hard_iface *if_outgoing)
> +static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
> +				  struct batadv_orig_node *orig_neigh_node,
> +				  struct batadv_ogm_packet *batadv_ogm_packet,
> +				  struct batadv_hard_iface *if_incoming,
> +				  struct batadv_hard_iface *if_outgoing)
>  {
>  	struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
>  	struct batadv_neigh_node *neigh_node = NULL, *tmp_neigh_node;
> @@ -1147,9 +1147,10 @@ static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
>  	u8 total_count;
>  	u8 orig_eq_count, neigh_rq_count, neigh_rq_inv, tq_own;
>  	unsigned int neigh_rq_inv_cube, neigh_rq_max_cube;
> -	int tq_asym_penalty, inv_asym_penalty, if_num, ret = 0;
> +	int tq_asym_penalty, inv_asym_penalty, if_num;
>  	unsigned int combined_tq;
>  	int tq_iface_penalty;
> +	bool ret = false;
>  
>  	/* find corresponding one hop neighbor */
>  	rcu_read_lock();
> @@ -1261,7 +1262,7 @@ static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
>  	 * consider it bidirectional
>  	 */
>  	if (batadv_ogm_packet->tq >= BATADV_TQ_TOTAL_BIDRECT_LIMIT)
> -		ret = 1;
> +		ret = true;
>  
>  out:
>  	if (neigh_node)
> @@ -1290,9 +1291,9 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
>  	struct batadv_orig_ifinfo *orig_ifinfo = NULL;
>  	struct batadv_neigh_node *neigh_node;
>  	struct batadv_neigh_ifinfo *neigh_ifinfo;
> -	int is_dup;
> +	bool is_dup;
>  	s32 seq_diff;
> -	int need_update = 0;
> +	bool need_update = false;
>  	int set_mark;
>  	enum batadv_dup_status ret = BATADV_NO_DUP;
>  	u32 seqno = ntohl(batadv_ogm_packet->seqno);
> @@ -1402,7 +1403,7 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset,
>  	struct sk_buff *skb_priv;
>  	struct ethhdr *ethhdr;
>  	u8 *prev_sender;
> -	int is_bidirect;
> +	bool is_bidirect;
>  
>  	/* create a private copy of the skb, as some functions change tq value
>  	 * and/or flags.
> diff --git a/net/batman-adv/bitarray.c b/net/batman-adv/bitarray.c
> index b56bb00..a0c7913 100644
> --- a/net/batman-adv/bitarray.c
> +++ b/net/batman-adv/bitarray.c
> @@ -38,11 +38,11 @@ static void batadv_bitmap_shift_left(unsigned long *seq_bits, s32 n)
>   *  the last sequence number
>   * @set_mark: whether this packet should be marked in seq_bits
>   *
> - * Return: 1 if the window was moved (either new or very old),
> - *  0 if the window was not moved/shifted.
> + * Return: true if the window was moved (either new or very old),
> + *  false if the window was not moved/shifted.
>   */
> -int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, s32 seq_num_diff,
> -			  int set_mark)
> +bool batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
> +			   s32 seq_num_diff, int set_mark)
>  {
>  	struct batadv_priv *bat_priv = priv;
>  
> @@ -52,7 +52,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, s32 seq_num_diff,
>  	if (seq_num_diff <= 0 && seq_num_diff > -BATADV_TQ_LOCAL_WINDOW_SIZE) {
>  		if (set_mark)
>  			batadv_set_bit(seq_bits, -seq_num_diff);
> -		return 0;
> +		return false;
>  	}
>  
>  	/* sequence number is slightly newer, so we shift the window and
> @@ -63,7 +63,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, s32 seq_num_diff,
>  
>  		if (set_mark)
>  			batadv_set_bit(seq_bits, 0);
> -		return 1;
> +		return true;
>  	}
>  
>  	/* sequence number is much newer, probably missed a lot of packets */
> @@ -75,7 +75,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, s32 seq_num_diff,
>  		bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
>  		if (set_mark)
>  			batadv_set_bit(seq_bits, 0);
> -		return 1;
> +		return true;
>  	}
>  
>  	/* received a much older packet. The other host either restarted
> @@ -94,5 +94,5 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, s32 seq_num_diff,
>  	if (set_mark)
>  		batadv_set_bit(seq_bits, 0);
>  
> -	return 1;
> +	return true;
>  }
> diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h
> index 3e41bb8..f93cbc7 100644
> --- a/net/batman-adv/bitarray.h
> +++ b/net/batman-adv/bitarray.h
> @@ -31,17 +31,17 @@
>   * @last_seqno: latest sequence number in seq_bits
>   * @curr_seqno: sequence number to test for
>   *
> - * Return: 1 if the corresponding bit in the given seq_bits indicates true
> - * and curr_seqno is within range of last_seqno. Otherwise returns 0.
> + * Return: true if the corresponding bit in the given seq_bits indicates true
> + * and curr_seqno is within range of last_seqno. Otherwise returns false.
>   */
> -static inline int batadv_test_bit(const unsigned long *seq_bits,
> -				  u32 last_seqno, u32 curr_seqno)
> +static inline bool batadv_test_bit(const unsigned long *seq_bits,
> +				   u32 last_seqno, u32 curr_seqno)
>  {
>  	s32 diff;
>  
>  	diff = last_seqno - curr_seqno;
>  	if (diff < 0 || diff >= BATADV_TQ_LOCAL_WINDOW_SIZE)
> -		return 0;
> +		return false;
>  	return test_bit(diff, seq_bits) != 0;
>  }
>  
> @@ -55,7 +55,7 @@ static inline void batadv_set_bit(unsigned long *seq_bits, s32 n)
>  	set_bit(n, seq_bits); /* turn the position on */
>  }
>  
> -int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, s32 seq_num_diff,
> -			  int set_mark);
> +bool batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
> +			   s32 seq_num_diff, int set_mark);
>  
>  #endif /* _NET_BATMAN_ADV_BITARRAY_H_ */
> diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
> index 0a6c8b8..2170aa1 100644
> --- a/net/batman-adv/bridge_loop_avoidance.c
> +++ b/net/batman-adv/bridge_loop_avoidance.c
> @@ -100,10 +100,10 @@ static inline u32 batadv_choose_backbone_gw(const void *data, u32 size)
>   * @node: list node of the first entry to compare
>   * @data2: pointer to the second backbone gateway
>   *
> - * Return: 1 if the backbones have the same data, 0 otherwise
> + * Return: true if the backbones have the same data, false otherwise
>   */
> -static int batadv_compare_backbone_gw(const struct hlist_node *node,
> -				      const void *data2)
> +static bool batadv_compare_backbone_gw(const struct hlist_node *node,
> +				       const void *data2)
>  {
>  	const void *data1 = container_of(node, struct batadv_bla_backbone_gw,
>  					 hash_entry);
> @@ -111,12 +111,12 @@ static int batadv_compare_backbone_gw(const struct hlist_node *node,
>  	const struct batadv_bla_backbone_gw *gw2 = data2;
>  
>  	if (!batadv_compare_eth(gw1->orig, gw2->orig))
> -		return 0;
> +		return false;
>  
>  	if (gw1->vid != gw2->vid)
> -		return 0;
> +		return false;
>  
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -124,10 +124,10 @@ static int batadv_compare_backbone_gw(const struct hlist_node *node,
>   * @node: list node of the first entry to compare
>   * @data2: pointer to the second claims
>   *
> - * Return: 1 if the claim have the same data, 0 otherwise
> + * Return: true if the claim have the same data, 0 otherwise
>   */
> -static int batadv_compare_claim(const struct hlist_node *node,
> -				const void *data2)
> +static bool batadv_compare_claim(const struct hlist_node *node,
> +				 const void *data2)
>  {
>  	const void *data1 = container_of(node, struct batadv_bla_claim,
>  					 hash_entry);
> @@ -135,12 +135,12 @@ static int batadv_compare_claim(const struct hlist_node *node,
>  	const struct batadv_bla_claim *cl2 = data2;
>  
>  	if (!batadv_compare_eth(cl1->addr, cl2->addr))
> -		return 0;
> +		return false;
>  
>  	if (cl1->vid != cl2->vid)
> -		return 0;
> +		return false;
>  
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -735,22 +735,22 @@ static void batadv_bla_del_claim(struct batadv_priv *bat_priv,
>   * @backbone_addr: originator address of the sender (Ethernet source MAC)
>   * @vid: the VLAN ID of the frame
>   *
> - * Return: 1 if handled
> + * Return: true if handled
>   */
> -static int batadv_handle_announce(struct batadv_priv *bat_priv, u8 *an_addr,
> -				  u8 *backbone_addr, unsigned short vid)
> +static bool batadv_handle_announce(struct batadv_priv *bat_priv, u8 *an_addr,
> +				   u8 *backbone_addr, unsigned short vid)
>  {
>  	struct batadv_bla_backbone_gw *backbone_gw;
>  	u16 backbone_crc, crc;
>  
>  	if (memcmp(an_addr, batadv_announce_mac, 4) != 0)
> -		return 0;
> +		return false;
>  
>  	backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid,
>  						 false);
>  
>  	if (unlikely(!backbone_gw))
> -		return 1;
> +		return true;
>  
>  	/* handle as ANNOUNCE frame */
>  	backbone_gw->lasttime = jiffies;
> @@ -783,7 +783,7 @@ static int batadv_handle_announce(struct batadv_priv *bat_priv, u8 *an_addr,
>  	}
>  
>  	batadv_backbone_gw_put(backbone_gw);
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -794,29 +794,29 @@ static int batadv_handle_announce(struct batadv_priv *bat_priv, u8 *an_addr,
>   * @ethhdr: ethernet header of a packet
>   * @vid: the VLAN ID of the frame
>   *
> - * Return: 1 if handled
> + * Return: true if handled
>   */
> -static int batadv_handle_request(struct batadv_priv *bat_priv,
> -				 struct batadv_hard_iface *primary_if,
> -				 u8 *backbone_addr, struct ethhdr *ethhdr,
> -				 unsigned short vid)
> +static bool batadv_handle_request(struct batadv_priv *bat_priv,
> +				  struct batadv_hard_iface *primary_if,
> +				  u8 *backbone_addr, struct ethhdr *ethhdr,
> +				  unsigned short vid)
>  {
>  	/* check for REQUEST frame */
>  	if (!batadv_compare_eth(backbone_addr, ethhdr->h_dest))
> -		return 0;
> +		return false;
>  
>  	/* sanity check, this should not happen on a normal switch,
>  	 * we ignore it in this case.
>  	 */
>  	if (!batadv_compare_eth(ethhdr->h_dest, primary_if->net_dev->dev_addr))
> -		return 1;
> +		return true;
>  
>  	batadv_dbg(BATADV_DBG_BLA, bat_priv,
>  		   "handle_request(): REQUEST vid %d (sent by %pM)...\n",
>  		   BATADV_PRINT_VID(vid), ethhdr->h_source);
>  
>  	batadv_bla_answer_request(bat_priv, primary_if, vid);
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -827,12 +827,12 @@ static int batadv_handle_request(struct batadv_priv *bat_priv,
>   * @claim_addr: Client to be unclaimed (ARP sender HW MAC)
>   * @vid: the VLAN ID of the frame
>   *
> - * Return: 1 if handled
> + * Return: true if handled
>   */
> -static int batadv_handle_unclaim(struct batadv_priv *bat_priv,
> -				 struct batadv_hard_iface *primary_if,
> -				 u8 *backbone_addr, u8 *claim_addr,
> -				 unsigned short vid)
> +static bool batadv_handle_unclaim(struct batadv_priv *bat_priv,
> +				  struct batadv_hard_iface *primary_if,
> +				  u8 *backbone_addr, u8 *claim_addr,
> +				  unsigned short vid)
>  {
>  	struct batadv_bla_backbone_gw *backbone_gw;
>  
> @@ -845,7 +845,7 @@ static int batadv_handle_unclaim(struct batadv_priv *bat_priv,
>  	backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);
>  
>  	if (!backbone_gw)
> -		return 1;
> +		return true;
>  
>  	/* this must be an UNCLAIM frame */
>  	batadv_dbg(BATADV_DBG_BLA, bat_priv,
> @@ -854,7 +854,7 @@ static int batadv_handle_unclaim(struct batadv_priv *bat_priv,
>  
>  	batadv_bla_del_claim(bat_priv, claim_addr, vid);
>  	batadv_backbone_gw_put(backbone_gw);
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -865,12 +865,12 @@ static int batadv_handle_unclaim(struct batadv_priv *bat_priv,
>   * @claim_addr: client mac address to be claimed (ARP sender HW MAC)
>   * @vid: the VLAN ID of the frame
>   *
> - * Return: 1 if handled
> + * Return: true if handled
>   */
> -static int batadv_handle_claim(struct batadv_priv *bat_priv,
> -			       struct batadv_hard_iface *primary_if,
> -			       u8 *backbone_addr, u8 *claim_addr,
> -			       unsigned short vid)
> +static bool batadv_handle_claim(struct batadv_priv *bat_priv,
> +				struct batadv_hard_iface *primary_if,
> +				u8 *backbone_addr, u8 *claim_addr,
> +				unsigned short vid)
>  {
>  	struct batadv_bla_backbone_gw *backbone_gw;
>  
> @@ -880,7 +880,7 @@ static int batadv_handle_claim(struct batadv_priv *bat_priv,
>  						 false);
>  
>  	if (unlikely(!backbone_gw))
> -		return 1;
> +		return true;
>  
>  	/* this must be a CLAIM frame */
>  	batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);
> @@ -891,7 +891,7 @@ static int batadv_handle_claim(struct batadv_priv *bat_priv,
>  	/* TODO: we could call something like tt_local_del() here. */
>  
>  	batadv_backbone_gw_put(backbone_gw);
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -975,12 +975,12 @@ static int batadv_check_claim_group(struct batadv_priv *bat_priv,
>   * @primary_if: the primary hard interface of this batman soft interface
>   * @skb: the frame to be checked
>   *
> - * Return: 1 if it was a claim frame, otherwise return 0 to
> + * Return: true if it was a claim frame, otherwise return false to
>   * tell the callee that it can use the frame on its own.
>   */
> -static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
> -				    struct batadv_hard_iface *primary_if,
> -				    struct sk_buff *skb)
> +static bool batadv_bla_process_claim(struct batadv_priv *bat_priv,
> +				     struct batadv_hard_iface *primary_if,
> +				     struct sk_buff *skb)
>  {
>  	struct batadv_bla_claim_dst *bla_dst, *bla_dst_own;
>  	u8 *hw_src, *hw_dst;
> @@ -1011,7 +1011,7 @@ static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
>  			vhdr = skb_header_pointer(skb, headlen, VLAN_HLEN,
>  						  &vhdr_buf);
>  			if (!vhdr)
> -				return 0;
> +				return false;
>  
>  			proto = vhdr->h_vlan_encapsulated_proto;
>  			headlen += VLAN_HLEN;
> @@ -1020,12 +1020,12 @@ static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
>  	}
>  
>  	if (proto != htons(ETH_P_ARP))
> -		return 0; /* not a claim frame */
> +		return false; /* not a claim frame */
>  
>  	/* this must be a ARP frame. check if it is a claim. */
>  
>  	if (unlikely(!pskb_may_pull(skb, headlen + arp_hdr_len(skb->dev))))
> -		return 0;
> +		return false;
>  
>  	/* pskb_may_pull() may have modified the pointers, get ethhdr again */
>  	ethhdr = eth_hdr(skb);
> @@ -1035,13 +1035,13 @@ static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
>  	 * IP information
>  	 */
>  	if (arphdr->ar_hrd != htons(ARPHRD_ETHER))
> -		return 0;
> +		return false;
>  	if (arphdr->ar_pro != htons(ETH_P_IP))
> -		return 0;
> +		return false;
>  	if (arphdr->ar_hln != ETH_ALEN)
> -		return 0;
> +		return false;
>  	if (arphdr->ar_pln != 4)
> -		return 0;
> +		return false;
>  
>  	hw_src = (u8 *)arphdr + sizeof(struct arphdr);
>  	hw_dst = hw_src + ETH_ALEN + 4;
> @@ -1051,14 +1051,14 @@ static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
>  	/* check if it is a claim frame in general */
>  	if (memcmp(bla_dst->magic, bla_dst_own->magic,
>  		   sizeof(bla_dst->magic)) != 0)
> -		return 0;
> +		return false;
>  
>  	/* check if there is a claim frame encapsulated deeper in (QinQ) and
>  	 * drop that, as this is not supported by BLA but should also not be
>  	 * sent via the mesh.
>  	 */
>  	if (vlan_depth > 1)
> -		return 1;
> +		return true;
>  
>  	/* check if it is a claim frame. */
>  	ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,
> @@ -1070,7 +1070,7 @@ static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
>  			   hw_dst);
>  
>  	if (ret < 2)
> -		return ret;
> +		return !!ret;
>  
>  	/* become a backbone gw ourselves on this vlan if not happened yet */
>  	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);
> @@ -1080,30 +1080,30 @@ static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
>  	case BATADV_CLAIM_TYPE_CLAIM:
>  		if (batadv_handle_claim(bat_priv, primary_if, hw_src,
>  					ethhdr->h_source, vid))
> -			return 1;
> +			return true;
>  		break;
>  	case BATADV_CLAIM_TYPE_UNCLAIM:
>  		if (batadv_handle_unclaim(bat_priv, primary_if,
>  					  ethhdr->h_source, hw_src, vid))
> -			return 1;
> +			return true;
>  		break;
>  
>  	case BATADV_CLAIM_TYPE_ANNOUNCE:
>  		if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,
>  					   vid))
> -			return 1;
> +			return true;
>  		break;
>  	case BATADV_CLAIM_TYPE_REQUEST:
>  		if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr,
>  					  vid))
> -			return 1;
> +			return true;
>  		break;
>  	}
>  
>  	batadv_dbg(BATADV_DBG_BLA, bat_priv,
>  		   "bla_process_claim(): ERROR - this looks like a claim frame, but is useless. eth src %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n",
>  		   ethhdr->h_source, BATADV_PRINT_VID(vid), hw_src, hw_dst);
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -1442,15 +1442,16 @@ int batadv_bla_init(struct batadv_priv *bat_priv)
>   * sent by another host, drop it. We allow equal packets from
>   * the same host however as this might be intended.
>   *
> - * Return: 1 if a packet is in the duplicate list, 0 otherwise.
> + * Return: true if a packet is in the duplicate list, false otherwise.
>   */
> -int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
> -				   struct sk_buff *skb)
> +bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
> +				    struct sk_buff *skb)
>  {
> -	int i, curr, ret = 0;
> +	int i, curr;
>  	__be32 crc;
>  	struct batadv_bcast_packet *bcast_packet;
>  	struct batadv_bcast_duplist_entry *entry;
> +	bool ret = false;
>  
>  	bcast_packet = (struct batadv_bcast_packet *)skb->data;
>  
> @@ -1478,9 +1479,9 @@ int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
>  			continue;
>  
>  		/* this entry seems to match: same crc, not too old,
> -		 * and from another gw. therefore return 1 to forbid it.
> +		 * and from another gw. therefore return true to forbid it.
>  		 */
> -		ret = 1;
> +		ret = true;
>  		goto out;
>  	}
>  	/* not found, add a new entry (overwrite the oldest entry)
> @@ -1546,21 +1547,21 @@ bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
>   * @orig_node: the orig_node of the frame
>   * @hdr_size: maximum length of the frame
>   *
> - * Return: 1 if the orig_node is also a gateway on the soft interface, otherwise
> - * it returns 0.
> + * Return: true if the orig_node is also a gateway on the soft interface,
> + * otherwise it returns false.
>   */
> -int batadv_bla_is_backbone_gw(struct sk_buff *skb,
> -			      struct batadv_orig_node *orig_node, int hdr_size)
> +bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
> +			       struct batadv_orig_node *orig_node, int hdr_size)
>  {
>  	struct batadv_bla_backbone_gw *backbone_gw;
>  	unsigned short vid;
>  
>  	if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))
> -		return 0;
> +		return false;
>  
>  	/* first, find out the vid. */
>  	if (!pskb_may_pull(skb, hdr_size + ETH_HLEN))
> -		return 0;
> +		return false;
>  
>  	vid = batadv_get_vid(skb, hdr_size);
>  
> @@ -1568,10 +1569,10 @@ int batadv_bla_is_backbone_gw(struct sk_buff *skb,
>  	backbone_gw = batadv_backbone_hash_find(orig_node->bat_priv,
>  						orig_node->orig, vid);
>  	if (!backbone_gw)
> -		return 0;
> +		return false;
>  
>  	batadv_backbone_gw_put(backbone_gw);
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -1614,16 +1615,16 @@ void batadv_bla_free(struct batadv_priv *bat_priv)
>   *
>   * in these cases, the skb is further handled by this function
>   *
> - * Return: 1 if handled, otherwise it returns 0 and the caller shall further
> - * process the skb.
> + * Return: true if handled, otherwise it returns false and the caller shall
> + * further process the skb.
>   */
> -int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> -		  unsigned short vid, bool is_bcast)
> +bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> +		   unsigned short vid, bool is_bcast)
>  {
>  	struct ethhdr *ethhdr;
>  	struct batadv_bla_claim search_claim, *claim = NULL;
>  	struct batadv_hard_iface *primary_if;
> -	int ret;
> +	bool ret;
>  
>  	ethhdr = eth_hdr(skb);
>  
> @@ -1682,12 +1683,12 @@ int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
>  	}
>  allow:
>  	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);
> -	ret = 0;
> +	ret = false;
>  	goto out;
>  
>  handled:
>  	kfree_skb(skb);
> -	ret = 1;
> +	ret = true;
>  
>  out:
>  	if (primary_if)
> @@ -1711,16 +1712,16 @@ out:
>   *
>   * This call might reallocate skb data.
>   *
> - * Return: 1 if handled, otherwise it returns 0 and the caller shall further
> - * process the skb.
> + * Return: true if handled, otherwise it returns false and the caller shall
> + * further process the skb.
>   */
> -int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> -		  unsigned short vid)
> +bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> +		   unsigned short vid)
>  {
>  	struct ethhdr *ethhdr;
>  	struct batadv_bla_claim search_claim, *claim = NULL;
>  	struct batadv_hard_iface *primary_if;
> -	int ret = 0;
> +	bool ret = false;
>  
>  	primary_if = batadv_primary_if_get_selected(bat_priv);
>  	if (!primary_if)
> @@ -1774,10 +1775,10 @@ int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
>  	}
>  allow:
>  	batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);
> -	ret = 0;
> +	ret = false;
>  	goto out;
>  handled:
> -	ret = 1;
> +	ret = true;
>  out:
>  	if (primary_if)
>  		batadv_hardif_put(primary_if);
> diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h
> index 579f0fa..0f01dae 100644
> --- a/net/batman-adv/bridge_loop_avoidance.h
> +++ b/net/batman-adv/bridge_loop_avoidance.h
> @@ -27,19 +27,20 @@ struct seq_file;
>  struct sk_buff;
>  
>  #ifdef CONFIG_BATMAN_ADV_BLA
> -int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> -		  unsigned short vid, bool is_bcast);
> -int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> -		  unsigned short vid);
> -int batadv_bla_is_backbone_gw(struct sk_buff *skb,
> -			      struct batadv_orig_node *orig_node, int hdr_size);
> +bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> +		   unsigned short vid, bool is_bcast);
> +bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
> +		   unsigned short vid);
> +bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
> +			       struct batadv_orig_node *orig_node,
> +			       int hdr_size);
>  int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
>  int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
>  					     void *offset);
>  bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
>  				    unsigned short vid);
> -int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
> -				   struct sk_buff *skb);
> +bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
> +				    struct sk_buff *skb);
>  void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
>  				    struct batadv_hard_iface *primary_if,
>  				    struct batadv_hard_iface *oldif);
> @@ -50,24 +51,24 @@ void batadv_bla_free(struct batadv_priv *bat_priv);
>  #define BATADV_BLA_CRC_INIT	0
>  #else /* ifdef CONFIG_BATMAN_ADV_BLA */
>  
> -static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
> -				struct sk_buff *skb, unsigned short vid,
> -				bool is_bcast)
> +static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
> +				 struct sk_buff *skb, unsigned short vid,
> +				 bool is_bcast)
>  {
> -	return 0;
> +	return false;
>  }
>  
> -static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
> -				struct sk_buff *skb, unsigned short vid)
> +static inline bool batadv_bla_tx(struct batadv_priv *bat_priv,
> +				 struct sk_buff *skb, unsigned short vid)
>  {
> -	return 0;
> +	return false;
>  }
>  
> -static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
> -					    struct batadv_orig_node *orig_node,
> -					    int hdr_size)
> +static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
> +					     struct batadv_orig_node *orig_node,
> +					     int hdr_size)
>  {
> -	return 0;
> +	return false;
>  }
>  
>  static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
> @@ -88,11 +89,11 @@ static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
>  	return false;
>  }
>  
> -static inline int
> +static inline bool
>  batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
>  			       struct sk_buff *skb)
>  {
> -	return 0;
> +	return false;
>  }
>  
>  static inline void
> diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c
> index 48253cf..3dc5208 100644
> --- a/net/batman-adv/debugfs.c
> +++ b/net/batman-adv/debugfs.c
> @@ -134,7 +134,7 @@ static int batadv_log_release(struct inode *inode, struct file *file)
>  	return 0;
>  }
>  
> -static int batadv_log_empty(struct batadv_priv_debug_log *debug_log)
> +static bool batadv_log_empty(struct batadv_priv_debug_log *debug_log)
>  {
>  	return !(debug_log->log_start - debug_log->log_end);
>  }
> diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
> index e96d7c7..919a8d2 100644
> --- a/net/batman-adv/distributed-arp-table.c
> +++ b/net/batman-adv/distributed-arp-table.c
> @@ -165,14 +165,14 @@ static void batadv_dat_purge(struct work_struct *work)
>   * @node: node in the local table
>   * @data2: second object to compare the node to
>   *
> - * Return: 1 if the two entries are the same, 0 otherwise.
> + * Return: true if the two entries are the same, false otherwise.
>   */
> -static int batadv_compare_dat(const struct hlist_node *node, const void *data2)
> +static bool batadv_compare_dat(const struct hlist_node *node, const void *data2)
>  {
>  	const void *data1 = container_of(node, struct batadv_dat_entry,
>  					 hash_entry);
>  
> -	return memcmp(data1, data2, sizeof(__be32)) == 0 ? 1 : 0;
> +	return memcmp(data1, data2, sizeof(__be32)) == 0;
>  }
>  
>  /**
> diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
> index b22b277..3240a67 100644
> --- a/net/batman-adv/hard-interface.c
> +++ b/net/batman-adv/hard-interface.c
> @@ -146,22 +146,22 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
>  	return ret;
>  }
>  
> -static int batadv_is_valid_iface(const struct net_device *net_dev)
> +static bool batadv_is_valid_iface(const struct net_device *net_dev)
>  {
>  	if (net_dev->flags & IFF_LOOPBACK)
> -		return 0;
> +		return false;
>  
>  	if (net_dev->type != ARPHRD_ETHER)
> -		return 0;
> +		return false;
>  
>  	if (net_dev->addr_len != ETH_ALEN)
> -		return 0;
> +		return false;
>  
>  	/* no batman over batman */
>  	if (batadv_is_on_batman_iface(net_dev))
> -		return 0;
> +		return false;
>  
> -	return 1;
> +	return true;
>  }
>  
>  /**
> @@ -650,8 +650,7 @@ batadv_hardif_add_interface(struct net_device *net_dev)
>  
>  	ASSERT_RTNL();
>  
> -	ret = batadv_is_valid_iface(net_dev);
> -	if (ret != 1)
> +	if (!batadv_is_valid_iface(net_dev))
>  		goto out;
>  
>  	dev_hold(net_dev);
> diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h
> index 9bb57b8..cbbf870 100644
> --- a/net/batman-adv/hash.h
> +++ b/net/batman-adv/hash.h
> @@ -32,10 +32,10 @@ struct lock_class_key;
>  /* callback to a compare function.  should compare 2 element datas for their
>   * keys
>   *
> - * Return: 0 if same and not 0 if not same
> + * Return: true if same and false if not same
>   */
> -typedef int (*batadv_hashdata_compare_cb)(const struct hlist_node *,
> -					  const void *);
> +typedef bool (*batadv_hashdata_compare_cb)(const struct hlist_node *,
> +					   const void *);
>  
>  /* the hashfunction
>   *
> diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
> index db45336..e602408 100644
> --- a/net/batman-adv/main.h
> +++ b/net/batman-adv/main.h
> @@ -288,7 +288,7 @@ static inline void _batadv_dbg(int type __always_unused,
>   *
>   * note: can't use ether_addr_equal() as it requires aligned memory
>   *
> - * Return: 1 if they are the same ethernet addr
> + * Return: true if they are the same ethernet addr
>   */
>  static inline bool batadv_compare_eth(const void *data1, const void *data2)
>  {
> diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
> index b41719b..32f9fa1 100644
> --- a/net/batman-adv/network-coding.c
> +++ b/net/batman-adv/network-coding.c
> @@ -510,10 +510,10 @@ static u32 batadv_nc_hash_choose(const void *data, u32 size)
>   * @node: node in the local table
>   * @data2: second object to compare the node to
>   *
> - * Return: 1 if the two entry are the same, 0 otherwise
> + * Return: true if the two entry are the same, false otherwise
>   */
> -static int batadv_nc_hash_compare(const struct hlist_node *node,
> -				  const void *data2)
> +static bool batadv_nc_hash_compare(const struct hlist_node *node,
> +				   const void *data2)
>  {
>  	const struct batadv_nc_path *nc_path1, *nc_path2;
>  
> @@ -523,13 +523,13 @@ static int batadv_nc_hash_compare(const struct hlist_node *node,
>  	/* Return 1 if the two keys are identical */
>  	if (memcmp(nc_path1->prev_hop, nc_path2->prev_hop,
>  		   sizeof(nc_path1->prev_hop)) != 0)
> -		return 0;
> +		return false;
>  
>  	if (memcmp(nc_path1->next_hop, nc_path2->next_hop,
>  		   sizeof(nc_path1->next_hop)) != 0)
> -		return 0;
> +		return false;
>  
> -	return 1;
> +	return true;
>  }
>  
>  /**
> diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
> index e4cbb07..e63d6a5 100644
> --- a/net/batman-adv/originator.c
> +++ b/net/batman-adv/originator.c
> @@ -54,9 +54,9 @@ static void batadv_purge_orig(struct work_struct *work);
>   * @node: node in the local table
>   * @data2: second object to compare the node to
>   *
> - * Return: 1 if they are the same originator
> + * Return: true if they are the same originator
>   */
> -int batadv_compare_orig(const struct hlist_node *node, const void *data2)
> +bool batadv_compare_orig(const struct hlist_node *node, const void *data2)
>  {
>  	const void *data1 = container_of(node, struct batadv_orig_node,
>  					 hash_entry);
> diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
> index 4e8b67f..64a8951 100644
> --- a/net/batman-adv/originator.h
> +++ b/net/batman-adv/originator.h
> @@ -33,7 +33,7 @@
>  
>  struct seq_file;
>  
> -int batadv_compare_orig(const struct hlist_node *node, const void *data2);
> +bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
>  int batadv_originator_init(struct batadv_priv *bat_priv);
>  void batadv_originator_free(struct batadv_priv *bat_priv);
>  void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
> diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
> index 4dd646a..45093c6 100644
> --- a/net/batman-adv/routing.c
> +++ b/net/batman-adv/routing.c
> @@ -154,18 +154,18 @@ out:
>   *   doesn't change otherwise.
>   *
>   * Return:
> - *  0 if the packet is to be accepted.
> - *  1 if the packet is to be ignored.
> + *  false if the packet is to be accepted.
> + *  true if the packet is to be ignored.
>   */
> -int batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff,
> -			    s32 seq_old_max_diff, unsigned long *last_reset,
> -			    bool *protection_started)
> +bool batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff,
> +			     s32 seq_old_max_diff, unsigned long *last_reset,
> +			     bool *protection_started)
>  {
>  	if (seq_num_diff <= -seq_old_max_diff ||
>  	    seq_num_diff >= BATADV_EXPECTED_SEQNO_RANGE) {
>  		if (!batadv_has_timed_out(*last_reset,
>  					  BATADV_RESET_PROTECTION_MS))
> -			return 1;
> +			return true;
>  
>  		*last_reset = jiffies;
>  		if (protection_started)
> @@ -174,7 +174,7 @@ int batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff,
>  			   "old packet received, start protection\n");
>  	}
>  
> -	return 0;
> +	return false;
>  }
>  
>  bool batadv_check_management_packet(struct sk_buff *skb,
> @@ -709,8 +709,9 @@ out:
>  	return ret;
>  }
>  
> -static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
> -				     struct sk_buff *skb, int hdr_len) {
> +static bool batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
> +				      struct sk_buff *skb, int hdr_len)
> +{
>  	struct batadv_unicast_packet *unicast_packet;
>  	struct batadv_hard_iface *primary_if;
>  	struct batadv_orig_node *orig_node;
> @@ -721,11 +722,11 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
>  
>  	/* check if there is enough data before accessing it */
>  	if (!pskb_may_pull(skb, hdr_len + ETH_HLEN))
> -		return 0;
> +		return false;
>  
>  	/* create a copy of the skb (in case of for re-routing) to modify it. */
>  	if (skb_cow(skb, sizeof(*unicast_packet)) < 0)
> -		return 0;
> +		return false;
>  
>  	unicast_packet = (struct batadv_unicast_packet *)skb->data;
>  	vid = batadv_get_vid(skb, hdr_len);
> @@ -749,7 +750,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
>  		 * table. If not, let the packet go untouched anyway because
>  		 * there is nothing the node can do
>  		 */
> -		return 1;
> +		return true;
>  	}
>  
>  	/* retrieve the TTVN known by this node for the packet destination. This
> @@ -765,7 +766,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
>  		 * not be possible to deliver it
>  		 */
>  		if (!orig_node)
> -			return 0;
> +			return false;
>  
>  		curr_ttvn = (u8)atomic_read(&orig_node->last_ttvn);
>  		batadv_orig_node_put(orig_node);
> @@ -776,7 +777,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
>  	 */
>  	is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn);
>  	if (!is_old_ttvn)
> -		return 1;
> +		return true;
>  
>  	old_ttvn = unicast_packet->ttvn;
>  	/* the packet was forged based on outdated network information. Its
> @@ -789,7 +790,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
>  				       "Rerouting unicast packet to %pM (dst=%pM): TTVN mismatch old_ttvn=%u new_ttvn=%u\n",
>  				       unicast_packet->dest, ethhdr->h_dest,
>  				       old_ttvn, curr_ttvn);
> -		return 1;
> +		return true;
>  	}
>  
>  	/* the packet has not been re-routed: either the destination is
> @@ -797,14 +798,14 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
>  	 * it is possible to drop the packet
>  	 */
>  	if (!batadv_is_my_client(bat_priv, ethhdr->h_dest, vid))
> -		return 0;
> +		return false;
>  
>  	/* update the header in order to let the packet be delivered to this
>  	 * node's soft interface
>  	 */
>  	primary_if = batadv_primary_if_get_selected(bat_priv);
>  	if (!primary_if)
> -		return 0;
> +		return false;
>  
>  	ether_addr_copy(unicast_packet->dest, primary_if->net_dev->dev_addr);
>  
> @@ -812,7 +813,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
>  
>  	unicast_packet->ttvn = curr_ttvn;
>  
> -	return 1;
> +	return true;
>  }
>  
>  /**
> diff --git a/net/batman-adv/routing.h b/net/batman-adv/routing.h
> index 02a5caa..05c3ff4 100644
> --- a/net/batman-adv/routing.h
> +++ b/net/batman-adv/routing.h
> @@ -51,8 +51,8 @@ struct batadv_neigh_node *
>  batadv_find_router(struct batadv_priv *bat_priv,
>  		   struct batadv_orig_node *orig_node,
>  		   struct batadv_hard_iface *recv_if);
> -int batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff,
> -			    s32 seq_old_max_diff, unsigned long *last_reset,
> -			    bool *protection_started);
> +bool batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff,
> +			     s32 seq_old_max_diff, unsigned long *last_reset,
> +			     bool *protection_started);
>  
>  #endif /* _NET_BATMAN_ADV_ROUTING_H_ */
> diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
> index 0710379..7679f3a 100644
> --- a/net/batman-adv/soft-interface.c
> +++ b/net/batman-adv/soft-interface.c
> @@ -1025,12 +1025,12 @@ static void batadv_softif_destroy_netlink(struct net_device *soft_iface,
>  	unregister_netdevice_queue(soft_iface, head);
>  }
>  
> -int batadv_softif_is_valid(const struct net_device *net_dev)
> +bool batadv_softif_is_valid(const struct net_device *net_dev)
>  {
>  	if (net_dev->netdev_ops->ndo_start_xmit == batadv_interface_tx)
> -		return 1;
> +		return true;
>  
> -	return 0;
> +	return false;
>  }
>  
>  struct rtnl_link_ops batadv_link_ops __read_mostly = {
> diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h
> index 9ae2657..417d30a 100644
> --- a/net/batman-adv/soft-interface.h
> +++ b/net/batman-adv/soft-interface.h
> @@ -31,7 +31,7 @@ void batadv_interface_rx(struct net_device *soft_iface,
>  			 int hdr_size, struct batadv_orig_node *orig_node);
>  struct net_device *batadv_softif_create(const char *name);
>  void batadv_softif_destroy_sysfs(struct net_device *soft_iface);
> -int batadv_softif_is_valid(const struct net_device *net_dev);
> +bool batadv_softif_is_valid(const struct net_device *net_dev);
>  extern struct rtnl_link_ops batadv_link_ops;
>  int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid);
>  void batadv_softif_vlan_put(struct batadv_softif_vlan *softif_vlan);
> diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
> index 0b43e86..2ed55f4 100644
> --- a/net/batman-adv/translation-table.c
> +++ b/net/batman-adv/translation-table.c
> @@ -76,9 +76,9 @@ static void batadv_tt_global_del(struct batadv_priv *bat_priv,
>   *
>   * Compare the MAC address and the VLAN ID of the two TT entries and check if
>   * they are the same TT client.
> - * Return: 1 if the two TT clients are the same, 0 otherwise
> + * Return: true if the two TT clients are the same, false otherwise
>   */
> -static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
> +static bool batadv_compare_tt(const struct hlist_node *node, const void *data2)
>  {
>  	const void *data1 = container_of(node, struct batadv_tt_common_entry,
>  					 hash_entry);
> @@ -2388,19 +2388,19 @@ unlock:
>   * @entry_ptr: to be checked local tt entry
>   * @data_ptr: not used but definition required to satisfy the callback prototype
>   *
> - * Return: 1 if the entry is a valid, 0 otherwise.
> + * Return: true if the entry is a valid, false otherwise.
>   */
> -static int batadv_tt_local_valid(const void *entry_ptr, const void *data_ptr)
> +static bool batadv_tt_local_valid(const void *entry_ptr, const void *data_ptr)
>  {
>  	const struct batadv_tt_common_entry *tt_common_entry = entry_ptr;
>  
>  	if (tt_common_entry->flags & BATADV_TT_CLIENT_NEW)
> -		return 0;
> -	return 1;
> +		return false;
> +	return true;
>  }
>  
> -static int batadv_tt_global_valid(const void *entry_ptr,
> -				  const void *data_ptr)
> +static bool batadv_tt_global_valid(const void *entry_ptr,
> +				   const void *data_ptr)
>  {
>  	const struct batadv_tt_common_entry *tt_common_entry = entry_ptr;
>  	const struct batadv_tt_global_entry *tt_global_entry;
> @@ -2408,7 +2408,7 @@ static int batadv_tt_global_valid(const void *entry_ptr,
>  
>  	if (tt_common_entry->flags & BATADV_TT_CLIENT_ROAM ||
>  	    tt_common_entry->flags & BATADV_TT_CLIENT_TEMP)
> -		return 0;
> +		return false;
>  
>  	tt_global_entry = container_of(tt_common_entry,
>  				       struct batadv_tt_global_entry,
> @@ -2430,7 +2430,8 @@ static int batadv_tt_global_valid(const void *entry_ptr,
>  static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv,
>  				    struct batadv_hashtable *hash,
>  				    void *tvlv_buff, u16 tt_len,
> -				    int (*valid_cb)(const void *, const void *),
> +				    bool (*valid_cb)(const void *,
> +						     const void *),
>  				    void *cb_data)
>  {
>  	struct batadv_tt_common_entry *tt_common_entry;
> @@ -2579,11 +2580,11 @@ static void batadv_tt_global_update_crc(struct batadv_priv *bat_priv,
>   *
>   * Return: true if the TT Request was sent, false otherwise
>   */
> -static int batadv_send_tt_request(struct batadv_priv *bat_priv,
> -				  struct batadv_orig_node *dst_orig_node,
> -				  u8 ttvn,
> -				  struct batadv_tvlv_tt_vlan_data *tt_vlan,
> -				  u16 num_vlan, bool full_table)
> +static bool batadv_send_tt_request(struct batadv_priv *bat_priv,
> +				   struct batadv_orig_node *dst_orig_node,
> +				   u8 ttvn,
> +				   struct batadv_tvlv_tt_vlan_data *tt_vlan,
> +				   u16 num_vlan, bool full_table)
>  {
>  	struct batadv_tvlv_tt_data *tvlv_tt_data = NULL;
>  	struct batadv_tt_req_node *tt_req_node = NULL;
> 
Looks good after a quick few minute read. You can add by reviewed by:
Reviewed By:Nicholas Krause xerofoify@gmail.com
Nick

  reply	other threads:[~2016-02-23  0:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-22 20:02 [B.A.T.M.A.N.] [PATCH] batman-adv: Use bool as return type for boolean functions Sven Eckelmann
2016-02-23  0:04 ` nick [this message]
2016-02-28  0:33 ` Marek Lindner

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