x86: handle_vm86_trap cleanup

Use force_sig in handle_vm86_trap like other machine traps do.
Signed-off-by: NRoland McGrath <roland@redhat.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/kernel/vm86_32.c

@@ -557,16 +557,9 @@ int handle_vm86_trap(struct kernel_vm86_regs *regs, long error_code, int trapno)
 	}
 	if (trapno != 1)
 		return 1; /* we let this handle by the calling routine */
-	if (current->ptrace & PT_PTRACED) {
-		unsigned long flags;
-		spin_lock_irqsave(&current->sighand->siglock, flags);
-		sigdelset(&current->blocked, SIGTRAP);
-		recalc_sigpending();
-		spin_unlock_irqrestore(&current->sighand->siglock, flags);
-	}
-	send_sig(SIGTRAP, current, 1);
 	current->thread.trap_no = trapno;
 	current->thread.error_code = error_code;
+	force_sig(SIGTRAP, current);
 	return 0;
 }