wl12xx: send all pending packets on channel change

There is a race condition between wl1271_tx_work() and the channel switch, so make sure all the pending packets are being sent before switching channel. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
git-mirror · Sep 23, 2011 · c6930b0 · c6930b0
1 parent 26b4bf2
commit c6930b0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
@@ -2355,6 +2355,8 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 	    ((wl->band != conf->channel->band) ||
 	     (wl->channel != channel))) {
+		/* send all pending packets */
+		wl1271_tx_work_locked(wl);
 		wl->band = conf->channel->band;
 		wl->channel = channel;