[XFS] remove an impossible code path from mkdir and link paths,

spotted by Al Viro.

SGI Modid: 2.5.x-xfs:slinx:155518a

fs/xfs/xfs_vnodeops.c

@@ -2813,7 +2813,6 @@ xfs_mkdir(
 	xfs_inode_t		*cdp;	/* inode of created dir */
 	vnode_t			*cvp;	/* vnode of created dir */
 	xfs_trans_t		*tp;
-	xfs_dev_t		rdev;
 	xfs_mount_t		*mp;
 	int			cancel_flags;
 	int			error;
@@ -2912,10 +2911,9 @@ xfs_mkdir(
 	/*
 	 * create the directory inode.
 	 */
-	rdev = (vap->va_mask & XFS_AT_RDEV) ? vap->va_rdev : 0;
 	error = xfs_dir_ialloc(&tp, dp,
 			MAKEIMODE(vap->va_type,vap->va_mode), 2,
-			rdev, credp, prid, resblks > 0,
+			0, credp, prid, resblks > 0,
 		&cdp, NULL);
 	if (error) {
 		if (error == ENOSPC)
@@ -3336,7 +3334,6 @@ xfs_symlink(
 	xfs_inode_t		*ip;
 	int			error;
 	int			pathlen;
-	xfs_dev_t		rdev;
 	xfs_bmap_free_t		free_list;
 	xfs_fsblock_t		first_block;
 	boolean_t		dp_joined_to_trans;
@@ -3479,10 +3476,8 @@ xfs_symlink(
 	/*
 	 * Allocate an inode for the symlink.
 	 */
-	rdev = (vap->va_mask & XFS_AT_RDEV) ? vap->va_rdev : 0;
-
 	error = xfs_dir_ialloc(&tp, dp, IFLNK | (vap->va_mode&~IFMT),
-			       1, rdev, credp, prid, resblks > 0, &ip, NULL);
+			       1, 0, credp, prid, resblks > 0, &ip, NULL);
 	if (error) {
 		if (error == ENOSPC)
 			goto error_return;