MIPS: Set positive error number to errno on illegal_syscall

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 5e75a31..ffa23bd 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -180,7 +180,7 @@
 	 * The system call does not exist in this kernel
 	 */
 illegal_syscall:
-	li	v0, -ENOSYS			# error
+	li	v0, ENOSYS			# error
 	sw	v0, PT_R2(sp)
 	li	t0, 1				# set error flag
 	sw	t0, PT_R7(sp)