From: Chengguang Xu <cgxu519@gmx.com>
Date: Thu, 17 Jan 2019 09:27:46 +0000 (+0800)
Subject: uio: fix potential memory leak in error case
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1e09cdd506c8833a9d52cb61009798660cff4051;p=openwrt%2Fstaging%2Fblogic.git

uio: fix potential memory leak in error case

Should jump to lable err_infoopen when idev->info is NULL
in uio_open().

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 131342280b46..46e5c1c31ebe 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -491,7 +491,7 @@ static int uio_open(struct inode *inode, struct file *filep)
 	if (!idev->info) {
 		mutex_unlock(&idev->info_lock);
 		ret = -EINVAL;
-		goto err_alloc_listener;
+		goto err_infoopen;
 	}
 
 	if (idev->info && idev->info->open)