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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index a8728ae2bb02..62118b7988bd 100644
--- 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;