diff mbox series

[5.10,590/717] ext4: fix an IS_ERR() vs NULL check

Message ID 20201228125049.178226312@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Dec. 28, 2020, 12:49 p.m. UTC 
From: Dan Carpenter <dan.carpenter@oracle.com>

commit bc18546bf68e47996a359d2533168d5770a22024 upstream.

The ext4_find_extent() function never returns NULL, it returns error
pointers.

Fixes: 44059e503b03 ("ext4: fast commit recovery path")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20201023112232.GB282278@mwanda
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/ext4/extents.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5815,8 +5815,8 @@  int ext4_ext_replay_update_ex(struct ino
 	int ret;
 
 	path = ext4_find_extent(inode, start, NULL, 0);
-	if (!path)
-		return -EINVAL;
+	if (IS_ERR(path))
+		return PTR_ERR(path);
 	ex = path[path->p_depth].p_ext;
 	if (!ex) {
 		ret = -EFSCORRUPTED;