[PATCH 4.9 45/83] ext4: return -ENOMEM instead of success

From: Greg Kroah-Hartman
Date: Wed Jan 04 2017 - 15:12:24 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

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@xxxxxxxxxx>
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
fs/ext4/inline.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -336,8 +336,10 @@ static int ext4_update_inline_data(handl

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);