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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>
This commit is contained in:
Khazhismel Kumykov 2017-06-23 00:29:05 -04:00 committed by Theodore Ts'o
parent 9ce0151a47
commit 6febe6f253
1 changed files with 2 additions and 2 deletions
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4
fs/ext4/namei.c
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@ -1442,11 +1442,11 @@ restart:
goto next; goto next;
wait_on_buffer(bh); wait_on_buffer(bh);
if (!buffer_uptodate(bh)) { if (!buffer_uptodate(bh)) {
/* read error, skip block & hope for the best */
EXT4_ERROR_INODE(dir, "reading directory lblock %lu", EXT4_ERROR_INODE(dir, "reading directory lblock %lu",
(unsigned long) block); (unsigned long) block);
brelse(bh); brelse(bh);
goto next; ret = ERR_PTR(-EIO);
goto cleanup_and_exit;
} }
if (!buffer_verified(bh) && if (!buffer_verified(bh) &&
!is_dx_internal_node(dir, block, !is_dx_internal_node(dir, block,