[M68KNOMMU]: fix syscall restart handling

[Greg Ungerer]

Fix system call restart handling. We can call directly to the
restart handler, no need to back track through trap that isn't
even implemented on m68knommu.

Signed-off-by: Greg Ungerer <gerg@xxxxxxxxxxx>
---


diff -Naurp linux-2.6.23/arch/m68knommu/kernel/signal.c linux-2.6.23-uc0/arch/m68knommu/kernel/signal.c
--- linux-2.6.23/arch/m68knommu/kernel/signal.c	2007-10-19 10:30:55.000000000 +1000
+++ linux-2.6.23-uc0/arch/m68knommu/kernel/signal.c	2007-10-19 10:35:40.000000000 +1000
@@ -781,15 +781,7 @@ asmlinkage int do_signal(sigset_t *oldse
 	/* Did we come from a system call? */
 	if (regs->orig_d0 >= 0) {
 		/* Restart the system call - no handlers present */
-		if (regs->d0 == -ERESTARTNOHAND
-		    || regs->d0 == -ERESTARTSYS
-		    || regs->d0 == -ERESTARTNOINTR) {
-			regs->d0 = regs->orig_d0;
-			regs->pc -= 2;
-		} else if (regs->d0 == -ERESTART_RESTARTBLOCK) {
-			regs->d0 = __NR_restart_syscall;
-			regs->pc -= 2;
-		}
+		handle_restart(regs, NULL, 0);
 	}
 	return 0;
 }
-
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