linux-next: build failure after merge of the net-next tree

Stephen Rothwell
2013-04-19T03:21:27Z

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Hi all,

After merging the net-next tree, today's linux-next build (x86_64
allmodconfig) failed like this:

net/batman-adv/network-coding.c: In function 'batadv_nc_skb_store_sniffed_unicast':
net/batman-adv/network-coding.c:1487:2: warning: passing argument 1 of 'batadv_is_my_mac' from incompatible pointer type [enabled by default]
net/batman-adv/main.h:168:5: note: expected 'struct batadv_priv *' but argument is of type 'unsigned char *'
net/batman-adv/network-coding.c:1487:2: error: too few arguments to function 'batadv_is_my_mac'
net/batman-adv/main.h:168:5: note: declared here
net/batman-adv/network-coding.c: In function 'batadv_nc_skb_decode_packet':
net/batman-adv/network-coding.c:1540:2: warning: passing argument 1 of 'batadv_is_my_mac' from incompatible pointer type [enabled by default]
net/batman-adv/main.h:168:5: note: expected 'struct batadv_priv *' but argument is of type 'uint8_t *'
net/batman-adv/network-coding.c:1540:2: error: too few arguments to function 'batadv_is_my_mac'
net/batman-adv/main.h:168:5: note: declared here
net/batman-adv/network-coding.c: In function 'batadv_nc_find_decoding_packet':
net/batman-adv/network-coding.c:1611:2: warning: passing argument 1 of 'batadv_is_my_mac' from incompatible pointer type [enabled by default]
net/batman-adv/main.h:168:5: note: expected 'struct batadv_priv *' but argument is of type 'uint8_t *'
net/batman-adv/network-coding.c:1611:2: error: too few arguments to function 'batadv_is_my_mac'
net/batman-adv/main.h:168:5: note: declared here
net/batman-adv/network-coding.c: In function 'batadv_nc_recv_coded_packet':
net/batman-adv/network-coding.c:1678:2: warning: passing argument 1 of 'batadv_is_my_mac' from incompatible pointer type [enabled by default]
net/batman-adv/main.h:168:5: note: expected 'struct batadv_priv *' but argument is of type 'unsigned char *'
net/batman-adv/network-coding.c:1678:2: error: too few arguments to function 'batadv_is_my_mac'
net/batman-adv/main.h:168:5: note: declared here
net/batman-adv/network-coding.c:1679:6: warning: passing argument 1 of 'batadv_is_my_mac' from incompatible pointer type [enabled by default]
net/batman-adv/main.h:168:5: note: expected 'struct batadv_priv *' but argument is of type 'uint8_t *'
net/batman-adv/network-coding.c:1679:6: error: too few arguments to function 'batadv_is_my_mac'
net/batman-adv/main.h:168:5: note: declared here
net/batman-adv/network-coding.c:1683:2: warning: passing argument 1 of 'batadv_is_my_mac' from incompatible pointer type [enabled by default]
net/batman-adv/main.h:168:5: note: expected 'struct batadv_priv *' but argument is of type 'uint8_t *'
net/batman-adv/network-coding.c:1683:2: error: too few arguments to function 'batadv_is_my_mac'
net/batman-adv/main.h:168:5: note: declared here

Caused by commits 612d2b4fe0a1 ("batman-adv: network coding - save
overheard and tx packets for decoding") and 2df5278b0267 ("batman-adv:
network coding - receive coded packets and decode them") from the
net-next tree interacting with commit fe8a93b95145 ("batman-adv: make
is_my_mac() check for the current mesh only") from the net tree.

I added the following merge fix patch and can carry it as necessary:

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 19 Apr 2013 13:13:25 +1000
Subject: [PATCH] batman-adv: merge fix for batadv_is_my_mac() API change

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
net/batman-adv/network-coding.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index 6b9a544..382db5e 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -1484,7 +1484,7 @@ void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
{
struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb);

- if (batadv_is_my_mac(ethhdr->h_dest))
+ if (batadv_is_my_mac(bat_priv, ethhdr->h_dest))
return;

/* Set data pointer to MAC header to mimic packets from our tx path */
@@ -1496,6 +1496,7 @@ void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
/**
* batadv_nc_skb_decode_packet - decode given skb using the decode data stored
* in nc_packet
+ * @bat_priv: the bat priv with all the soft interface information
* @skb: unicast skb to decode
* @nc_packet: decode data needed to decode the skb
*
@@ -1503,7 +1504,7 @@ void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
* in case of an error.
*/
static struct batadv_unicast_packet *
-batadv_nc_skb_decode_packet(struct sk_buff *skb,
+batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
struct batadv_nc_packet *nc_packet)
{
const int h_size = sizeof(struct batadv_unicast_packet);
@@ -1537,7 +1538,7 @@ batadv_nc_skb_decode_packet(struct sk_buff *skb,
/* Select the correct unicast header information based on the location
* of our mac address in the coded_packet header
*/
- if (batadv_is_my_mac(coded_packet_tmp.second_dest)) {
+ if (batadv_is_my_mac(bat_priv, coded_packet_tmp.second_dest)) {
/* If we are the second destination the packet was overheard,
* so the Ethernet address must be copied to h_dest and
* pkt_type changed from PACKET_OTHERHOST to PACKET_HOST
@@ -1608,7 +1609,7 @@ batadv_nc_find_decoding_packet(struct batadv_priv *bat_priv,

/* Select the correct packet id based on the location of our mac-addr */
dest = ethhdr->h_source;
- if (!batadv_is_my_mac(coded->second_dest)) {
+ if (!batadv_is_my_mac(bat_priv, coded->second_dest)) {
source = coded->second_source;
packet_id = coded->second_crc;
} else {
@@ -1675,12 +1676,12 @@ static int batadv_nc_recv_coded_packet(struct sk_buff *skb,
ethhdr = (struct ethhdr *)skb_mac_header(skb);

/* Verify frame is destined for us */
- if (!batadv_is_my_mac(ethhdr->h_dest) &&
- !batadv_is_my_mac(coded_packet->second_dest))
+ if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest) &&
+ !batadv_is_my_mac(bat_priv, coded_packet->second_dest))
return NET_RX_DROP;

/* Update stat counter */
- if (batadv_is_my_mac(coded_packet->second_dest))
+ if (batadv_is_my_mac(bat_priv, coded_packet->second_dest))
batadv_inc_counter(bat_priv, BATADV_CNT_NC_SNIFFED);

nc_packet = batadv_nc_find_decoding_packet(bat_priv, ethhdr,
@@ -1698,7 +1699,7 @@ static int batadv_nc_recv_coded_packet(struct sk_buff *skb,
goto free_nc_packet;

/* Decode the packet */
- unicast_packet = batadv_nc_skb_decode_packet(skb, nc_packet);
+ unicast_packet = batadv_nc_skb_decode_packet(bat_priv, skb, nc_packet);
if (!unicast_packet) {
batadv_inc_counter(bat_priv, BATADV_CNT_NC_DECODE_FAILED);
goto free_nc_packet;
--
1.8.1

--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au

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