[PATCH 4.14 031/251] btrfs: fix lost error handling when replaying directory deletes

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From: Filipe Manana <fdmanana@xxxxxxxx>

commit 10adb1152d957a4d570ad630f93a88bb961616c1 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@xxxxxxxxxxxxxxx # 4.4+
Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/btrfs/tree-log.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2286,7 +2286,9 @@ again:
 		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;
 		}
 





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