wlcore: unlock on error in wl1271_op_suspend()

We recently introduced a new error path which needs an unlock.

Fixes: 6d5a748d4836 ('wlcore: add ability to reduce FW interrupts during suspend')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 0a9d9a1b2d85..1e136993580f 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -1785,8 +1785,10 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw,
         mutex_lock(&wl->mutex);
 
         ret = wl1271_ps_elp_wakeup(wl);
-        if (ret < 0)
+        if (ret < 0) {
+                mutex_unlock(&wl->mutex);
                 return ret;
+        }
 
         wl->wow_enabled = true;
         wl12xx_for_each_wlvif(wl, wlvif) {