Re: [PATCH] staging: brcm80211: fix cast to pointer from integer

["Roland Vossen" <rvossen@broadcom.com>]

Greg, please also merge this to the staging-linus branch since it might 
resolve an instability issue.

On 05/15/2011 10:45 PM, Clemens Noss wrote:
> bcm_pktq_flush and related functions only ever get 0 or a pointer for
> arg, so make it a pointer.
>
> This might fix a crash on 64bit.

Acked-by: Roland Vossen <rvossen@broadcom.com>

>
> Signed-off-by: Clemens Noss<cnoss@gmx.de>
> ---
>   drivers/staging/brcm80211/brcmfmac/dhd_sdio.c  |    2 +-
>   drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c |    4 ++--
>   drivers/staging/brcm80211/brcmsmac/wlc_main.c  |    4 ++--
>   drivers/staging/brcm80211/include/bcmutils.h   |    6 +++---
>   drivers/staging/brcm80211/util/bcmutils.c      |    4 ++--
>   5 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
> index 8683eeb..a71c6f8 100644
> --- a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
> +++ b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
> @@ -2845,7 +2845,7 @@ void dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex)
>   	dhdsdio_clkctl(bus, CLK_SDONLY, false);
>
>   	/* Clear the data packet queues */
> -	bcm_pktq_flush(&bus->txq, true, NULL, 0);
> +	bcm_pktq_flush(&bus->txq, true, NULL, NULL);
>
>   	/* Clear any held glomming stuff */
>   	if (bus->glomd)
> diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c
> index 5b041a6..0d93bd6 100644
> --- a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c
> +++ b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c
> @@ -1225,7 +1225,7 @@ void wlc_ampdu_shm_upd(struct ampdu_info *ampdu)
>   /*
>    * callback function that helps flushing ampdu packets from a priority queue
>    */
> -static bool cb_del_ampdu_pkt(void *p, int arg_a)
> +static bool cb_del_ampdu_pkt(void *p, void *arg_a)
>   {
>   	struct sk_buff *mpdu = (struct sk_buff *)p;
>   	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(mpdu);
> @@ -1269,7 +1269,7 @@ void wlc_ampdu_flush(struct wlc_info *wlc,
>   	ampdu_pars.tid = tid;
>   	for (prec = 0; prec<  pq->num_prec; prec++) {
>   		bcm_pktq_pflush(pq, prec, true, cb_del_ampdu_pkt,
> -			    (int)&ampdu_pars);
> +			    (void *)&ampdu_pars);
>   	}
>   	wlc_inval_dma_pkts(wlc->hw, sta, dma_cb_fn_ampdu);
>   }
> diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_main.c b/drivers/staging/brcm80211/brcmsmac/wlc_main.c
> index 2fed0eb..926b01a 100644
> --- a/drivers/staging/brcm80211/brcmsmac/wlc_main.c
> +++ b/drivers/staging/brcm80211/brcmsmac/wlc_main.c
> @@ -2520,7 +2520,7 @@ uint wlc_down(struct wlc_info *wlc)
>
>   	/* flush tx queues */
>   	for (qi = wlc->tx_queues; qi != NULL; qi = qi->next) {
> -		bcm_pktq_flush(&qi->q, true, NULL, 0);
> +		bcm_pktq_flush(&qi->q, true, NULL, NULL);
>   	}
>
>   	callbacks += wlc_bmac_down_finish(wlc->hw);
> @@ -8135,7 +8135,7 @@ void wlc_wait_for_tx_completion(struct wlc_info *wlc, bool drop)
>   {
>   	/* flush packet queue when requested */
>   	if (drop)
> -		bcm_pktq_flush(&wlc->pkt_queue->q, false, NULL, 0);
> +		bcm_pktq_flush(&wlc->pkt_queue->q, false, NULL, NULL);
>
>   	/* wait for queue and DMA fifos to run dry */
>   	while (!pktq_empty(&wlc->pkt_queue->q) ||
> diff --git a/drivers/staging/brcm80211/include/bcmutils.h b/drivers/staging/brcm80211/include/bcmutils.h
> index aa00e83..1d57934 100644
> --- a/drivers/staging/brcm80211/include/bcmutils.h
> +++ b/drivers/staging/brcm80211/include/bcmutils.h
> @@ -74,7 +74,7 @@
>   #define PKTQ_PREC_ITER(pq, prec)        for (prec = (pq)->num_prec - 1; prec>= 0; prec--)
>
>   /* fn(pkt, arg).  return true if pkt belongs to if */
> -	typedef bool(*ifpkt_cb_t) (void *, int);
> +	typedef bool(*ifpkt_cb_t) (void *, void *);
>
>   /* operations on a specific precedence in packet queue */
>
> @@ -100,7 +100,7 @@ extern void bcm_pkt_buf_free_skb(struct sk_buff *skb);
>
>   /* Empty the queue at particular precedence level */
>   extern void bcm_pktq_pflush(struct pktq *pq, int prec,
> -	bool dir, ifpkt_cb_t fn, int arg);
> +	bool dir, ifpkt_cb_t fn, void *arg);
>
>   /* operations on a set of precedences in packet queue */
>
> @@ -127,7 +127,7 @@ extern void bcm_pktq_init(struct pktq *pq, int num_prec, int max_len);
>   /* prec_out may be NULL if caller is not interested in return value */
>   extern struct sk_buff *bcm_pktq_peek_tail(struct pktq *pq, int *prec_out);
>   extern void bcm_pktq_flush(struct pktq *pq, bool dir,
> -	ifpkt_cb_t fn, int arg);
> +	ifpkt_cb_t fn, void *arg);
>
>   /* externs */
>   /* packet */
> diff --git a/drivers/staging/brcm80211/util/bcmutils.c b/drivers/staging/brcm80211/util/bcmutils.c
> index e185e28..43e5bb3 100644
> --- a/drivers/staging/brcm80211/util/bcmutils.c
> +++ b/drivers/staging/brcm80211/util/bcmutils.c
> @@ -231,7 +231,7 @@ EXPORT_SYMBOL(bcm_pktq_pdeq_tail);
>
>   void
>   bcm_pktq_pflush(struct pktq *pq, int prec, bool dir,
> -	    ifpkt_cb_t fn, int arg)
> +	    ifpkt_cb_t fn, void *arg)
>   {
>   	struct pktq_prec *q;
>   	struct sk_buff *p, *prev = NULL;
> @@ -263,7 +263,7 @@ bcm_pktq_pflush(struct pktq *pq, int prec, bool dir,
>   EXPORT_SYMBOL(bcm_pktq_pflush);
>
>   void bcm_pktq_flush(struct pktq *pq, bool dir,
> -		ifpkt_cb_t fn, int arg)
> +		ifpkt_cb_t fn, void *arg)
>   {
>   	int prec;
>   	for (prec = 0; prec<  pq->num_prec; prec++)