[SPARC]: No iBCS2 on sparc, TYVM...

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/sys_sparc.c

@@ -197,8 +197,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void __user
 				goto out;
 				}
 			case 1:	/* iBCS2 emulator entry point */
-				err = do_shmat (first, (char __user *) ptr,
-						second, (ulong *) third);
+				err = -EINVAL;
 				goto out;
 			}
 		case SHMDT: