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Filipe Manana authored
The return value from btrfs_lookup_xattr() can be a pointer encoding an error, therefore deal with it. This fixes commit 5f5bc6b1 ("Btrfs: make xattr replace operations atomic"). Signed-off-by:
Filipe Manana <fdmanana@suse.com> Signed-off-by:
Chris Mason <clm@fb.com>
5cdf83ed