linux-kernel - [PATCH] Staging: ced1401: fix missing unlock on error in FreeCircBlock()

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Message-ID: <CAPgLHd-Rpp8NA7Oap_uiQ=tNXBCc1g0Bbg1Uv3ALrbQKW=evsw@mail.gmail.com>
Date:	Mon, 22 Oct 2012 13:22:15 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	yongjun_wei@...ndmicro.com.cn, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Staging: ced1401: fix missing unlock on error in FreeCircBlock()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Add the missing unlock on the error handle path in function
FreeCircBlock().

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/staging/ced1401/ced_ioc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/ced1401/ced_ioc.c b/drivers/staging/ced1401/ced_ioc.c
index c9492ed..5813aee 100644
--- a/drivers/staging/ced1401/ced_ioc.c
+++ b/drivers/staging/ced1401/ced_ioc.c
@@ -1508,7 +1508,7 @@ int FreeCircBlock(DEVICE_EXTENSION * pdx, TCIRCBLOCK __user * pCB)
 		iReturn = U14ERR_BADAREA;
 
 	if (copy_to_user(pCB, &cb, sizeof(cb)))
-		return -EFAULT;
+		iReturn = -EFAULT;
 
 	mutex_unlock(&pdx->io_mutex);
 	return iReturn;


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