Filipe Manana 5cdf83edb8 Btrfs: do not ignore errors from btrfs_lookup_xattr in do_setxattr ...

The return value from btrfs_lookup_xattr() can be a pointer encoding an
error, therefore deal with it. This fixes commit 5f5bc6b1e2
("Btrfs: make xattr replace operations atomic").

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>

2015-03-02 14:04:45 -08:00

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