linux-kernel - [PATCH -next] staging: rtl8188eu: fix missing unlock on error in rtw_resume

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Date:   Fri, 26 Aug 2016 14:45:05 +0000
From:   Wei Yongjun <weiyj.lk@...il.com>
To:     gregkh@...uxfoundation.org, remyoudompheng@...il.com,
        bhumirks@...il.com, binoy.jayan@...aro.org, insafonov@...il.com,
        bhaktipriya96@...il.com, kyle.kuffermann@...il.com,
        jsitnicki@...il.com
Cc:     Wei Yongjun <weiyongjun1@...wei.com>, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH -next] staging: rtl8188eu: fix missing unlock on error in rtw_resume_process()

From: Wei Yongjun <weiyongjun1@...wei.com>

Add the missing unlock before return from function
rtw_resume_process() in the error handling case.

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/staging/rtl8188eu/os_dep/usb_intf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index a5ba1e4..7da3534 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -315,8 +315,10 @@ 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));