arm: don't open-code ptrace_report_syscall()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/arm/kernel/ptrace.c

@@ -932,20 +932,7 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
 	 */
 	ip = regs->ARM_ip;
 	regs->ARM_ip = why;
-
-	/* the 0x80 provides a way for the tracing parent to distinguish
-	   between a syscall stop and SIGTRAP delivery */
-	ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
-				 ? 0x80 : 0));
-	/*
-	 * this isn't the same as continuing with a signal, but it will do
-	 * for normal use.  strace only continues with a signal if the
-	 * stopping signal is not SIGTRAP.  -brl
-	 */
-	if (current->exit_code) {
-		send_sig(current->exit_code, current, 1);
-		current->exit_code = 0;
-	}
+	ptrace_report_syscall(regs);
 	regs->ARM_ip = ip;
 
 	return current_thread_info()->syscall;