sparc: Add call to tracehook_signal_handler().

Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc/kernel/signal.c

@@ -553,6 +553,8 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 		 */
 		if (test_thread_flag(TIF_RESTORE_SIGMASK))
 			clear_thread_flag(TIF_RESTORE_SIGMASK);
+
+		tracehook_signal_handler(signr, &info, &ka, regs, 0);
 		return;
 	}
 	if (restart_syscall &&