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btrfs: return the actual error value from from btrfs_uuid_tree_iterate

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[ Upstream commit 73ba39ab9307340dc98ec3622891314bbc09cc2e ]

In function btrfs_uuid_tree_iterate(), errno is assigned to variable ret
on errors. However, it directly returns 0. It may be better to return
ret. This patch also removes the warning, because the caller already
prints a warning.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188731
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
[ edited subject ]
Signed-off-by: David Sterba <dsterba@suse.com>

Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pan Bian 2016-12-04 12:51:53 +08:00 • committed by Greg Kroah-Hartman
parent e88f3fb0e3
commit b63209c78f
1 changed files with 1 additions and 3 deletions
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4
fs/btrfs/uuid-tree.c
View file

@ -348,7 +348,5 @@ skip:
out:
btrfs_free_path(path);
if (ret)
btrfs_warn(fs_info, "btrfs_uuid_tree_iterate failed %d", ret);
return 0;
return ret;
}