xfs: remove the name == NULL check from xfs_attr_args_init

All callers provide a valid name pointer, remove the redundant check.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/libxfs/xfs_attr.c

@@ -65,10 +65,6 @@ xfs_attr_args_init(
 	size_t			namelen,
 	int			flags)
 {
-
-	if (!name)
-		return -EINVAL;
-
 	memset(args, 0, sizeof(*args));
 	args->geo = dp->i_mount->m_attr_geo;
 	args->whichfork = XFS_ATTR_FORK;