From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 10 Dec 2016 14:56:01 +0000 (-0500)
Subject: ext4: return -ENOMEM instead of success
X-Git-Tag: firefly_0821_release~176^2~4^2~7^2~24
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=36af7cd560b93228cdc691aab613da28ad94e18b;p=firefly-linux-kernel-4.4.55.git

ext4: return -ENOMEM instead of success

commit 578620f451f836389424833f1454eeeb2ffc9e9f upstream.

We should set the error code if kzalloc() fails.

Fixes: 67cf5b09a46f ("ext4: add the basic function for inline data support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index d884989cc83d..8968a93e2150 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -336,8 +336,10 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode,
 
 	len -= EXT4_MIN_INLINE_DATA_SIZE;
 	value = kzalloc(len, GFP_NOFS);
-	if (!value)
+	if (!value) {
+		error = -ENOMEM;
 		goto out;
+	}
 
 	error = ext4_xattr_ibody_get(inode, i.name_index, i.name,
 				     value, len);