ext4: return EIO on read error in ext4_find_entry
Previously, a read error would be ignored and we would eventually return
NULL from ext4_find_entry, which signals "no such file or directory". We
should be returning EIO.
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 423e1f7..2a7f2dc 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1442,11 +1442,11 @@ static struct buffer_head * ext4_find_entry (struct inode *dir,
goto next;
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
- /* read error, skip block & hope for the best */
EXT4_ERROR_INODE(dir, "reading directory lblock %lu",
(unsigned long) block);
brelse(bh);
- goto next;
+ ret = ERR_PTR(-EIO);
+ goto cleanup_and_exit;
}
if (!buffer_verified(bh) &&
!is_dx_internal_node(dir, block,