[PATCH] ext4: Return EIO on read error in ext4_find_entry

[Khazhismel Kumykov]

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 <kha...@google.com>
---
 fs/ext4/namei.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 404256caf9cf..6fa17e9f7b6d 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1428,11 +1428,11 @@ 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,
-- 
2.13.1.611.g7e3b11ae1-goog

smime.p7s
Description: S/MIME Cryptographic Signature