A recent bug report generated a warning that a code path in
xfs_attr_remove_iter could potentially return error uninitialized in the
case of XFS_DAS_RM_SHRINK state.  Fix this by initializing error.
Signed-off-by: NAllison Henderson <allison.henderson@oracle.com>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: NBrian Foster <bfoster@redhat.com>
Reviewed-by: NBill O'Donnell <bodonnel@redhat.com>
Reviewed-by: NDarrick J. Wong <djwong@kernel.org>
Signed-off-by: NDarrick J. Wong <djwong@kernel.org>