staging: rtl8188eu: fix double unlock error in rtw_resume_process()

Fix following static checker warning:
    drivers/staging/rtl8188eu/os_dep/usb_intf.c:311 rtw_resume_process()
    error: double unlock 'mutex:&pwrpriv->mutex_lock'

Fixes: eaf47b713b ("staging: rtl8188eu: fix missing unlock on error in rtw_resume_process()")
Reported-By: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2016-10-01 00:38:08 +08:00 committed by Greg Kroah-Hartman
parent 612e1c94bf
commit 23bf40424a

View file

@ -294,8 +294,10 @@ static int rtw_resume_process(struct adapter *padapter)
pwrpriv->bkeepfwalive = false;
pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
if (pm_netdev_open(pnetdev, true) != 0)
if (pm_netdev_open(pnetdev, true) != 0) {
mutex_unlock(&pwrpriv->mutex_lock);
goto exit;
}
netif_device_attach(pnetdev);
netif_carrier_on(pnetdev);
@ -306,10 +308,8 @@ static int rtw_resume_process(struct adapter *padapter)
ret = 0;
exit:
if (pwrpriv) {
if (pwrpriv)
pwrpriv->bInSuspend = false;
mutex_unlock(&pwrpriv->mutex_lock);
}
pr_debug("<=== %s return %d.............. in %dms\n", __func__,
ret, jiffies_to_msecs(jiffies - start_time));