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

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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@xxxxxxxxxxxx>


Signed-off-by: Clemens Noss<cnoss@xxxxxx>
---
  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++)


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