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btrfs: fix lost error handling when replaying directory deletes

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commit 10adb1152d upstream.

At replay_dir_deletes(), if find_dir_range() returns an error we break out
of the main while loop and then assign a value of 0 (success) to the 'ret'
variable, resulting in completely ignoring that an error happened. Fix
that by jumping to the 'out' label when find_dir_range() returns an error
(negative value).

CC: stable@vger.kernel.org # 4.4+
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Filipe Manana 2021-10-14 17:26:04 +01:00 committed by Greg Kroah-Hartman
parent c25984fa18
commit 5223324ed1
1 changed files with 3 additions and 1 deletions
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4
fs/btrfs/tree-log.c
View file

@ -2490,7 +2490,9 @@ static noinline int replay_dir_deletes(struct btrfs_trans_handle *trans,
else {
ret = find_dir_range(log, path, dirid, key_type,
&range_start, &range_end);
if (ret != 0)
if (ret < 0)
goto out;
else if (ret > 0)
break;
}