[PATCH] alpha gcc4 warnings

on UP smp_call_function() is expanded to expression. Alpha oprofile
calls that puppy and ignores the return value. And has -Werror for
arch/*...

Signed-off-by: Al Viro <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/alpha/oprofile/common.c

···
 	model->reg_setup(&reg, ctr, &sys);
 
 	/* Configure the registers on all cpus.  */
-	smp_call_function(model->cpu_setup, &reg, 0, 1);
+	(void)smp_call_function(model->cpu_setup, &reg, 0, 1);
 	model->cpu_setup(&reg);
 	return 0;
 }
···
 static int
 op_axp_start(void)
 {
-	smp_call_function(op_axp_cpu_start, NULL, 0, 1);
+	(void)smp_call_function(op_axp_cpu_start, NULL, 0, 1);
 	op_axp_cpu_start(NULL);
 	return 0;
 }
···
 static void
 op_axp_stop(void)
 {
-	smp_call_function(op_axp_cpu_stop, NULL, 0, 1);
+	(void)smp_call_function(op_axp_cpu_stop, NULL, 0, 1);
 	op_axp_cpu_stop(NULL);
 }