summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/b43
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/b43')
-rw-r--r--drivers/net/wireless/b43/main.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 6d7cf3c2f7bf..66220cde9c49 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -856,22 +856,19 @@ static void b43_op_update_tkip_key(struct ieee80211_hw *hw,
if (B43_WARN_ON(!modparam_hwtkip))
return;
- mutex_lock(&wl->mutex);
-
+ /* This is only called from the RX path through mac80211, where
+ * our mutex is already locked. */
+ B43_WARN_ON(!mutex_is_locked(&wl->mutex));
dev = wl->current_dev;
- if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
- goto out_unlock;
+ B43_WARN_ON(!dev || b43_status(dev) < B43_STAT_INITIALIZED);
keymac_write(dev, index, NULL); /* First zero out mac to avoid race */
rx_tkip_phase1_write(dev, index, iv32, phase1key);
/* only pairwise TKIP keys are supported right now */
if (WARN_ON(!sta))
- goto out_unlock;
+ return;
keymac_write(dev, index, sta->addr);
-
-out_unlock:
- mutex_unlock(&wl->mutex);
}
static void do_key_write(struct b43_wldev *dev,
OpenPOWER on IntegriCloud