linux-kernel - [PATCH] btrfs: uuid-tree: btrfs_uuid_tree

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Date:   Thu, 12 Jan 2017 15:55:45 +0100
From:   Milan Stephan <milan.stephan@....de>
To:     linux-kernel@...r.kernel.org
Cc:     linux-kernel@...cs.fau.de, Chris Mason <clm@...com>,
        Josef Bacik <jbacik@...com>, David Sterba <dsterba@...e.com>,
        linux-btrfs@...r.kernel.org, Pan Bian <bianpan2016@....com>,
        Milan Stephan <milan.stephan+linux@....de>,
        Thomas Preisner <thomas.preisner+linux@....de>
Subject: [PATCH] btrfs: uuid-tree: btrfs_uuid_tree_iterate: fix improper return value

From: Milan Stephan <milan.stephan+linux@....de>

Fixes return value of btrfs_uuid_tree_iterate to catch and return errors
when calling btrfs_alloc_path.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188731

Reported-by: Pan Bian <bianpan2016@....com>
Signed-off-by: Milan Stephan <milan.stephan+linux@....de>
Signed-off-by: Thomas Preisner <thomas.preisner+linux@....de>
---
 fs/btrfs/uuid-tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c
index 161342b..12f873d 100644
--- a/fs/btrfs/uuid-tree.c
+++ b/fs/btrfs/uuid-tree.c
@@ -354,5 +354,5 @@ int btrfs_uuid_tree_iterate(struct btrfs_fs_info *fs_info,
 	btrfs_free_path(path);
 	if (ret)
 		btrfs_warn(fs_info, "btrfs_uuid_tree_iterate failed %d", ret);
-	return 0;
+	return ret;
 }
-- 
2.7.4