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authorFilipe Manana <fdmanana@suse.com>2021-10-14 17:26:04 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-17 09:48:22 +0100
commit5223324ed1a963103c647d037f6473b0ed1b26bc (patch)
treed7311919a7e3b13f9d3e936e9d1a2db2c7a1696d
parentc25984fa182f6bcff6ea3f6e2af7248fb0f79d3d (diff)
btrfs: fix lost error handling when replaying directory deletes
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@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>
-rw-r--r--fs/btrfs/tree-log.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f34205569987..7bc4477d7ee7 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2490,7 +2490,9 @@ 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;
}