These NULL check are no long needed after commit 2ed5b09b3e8f ("xfs:
make inode attribute forks a permanent part of struct xfs_inode").
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Darrick J. Wong <djwong@kernel.org>