[MIPS] IP22: Complain if requesting the front panel irq failed.

This fixes the warning: CC arch/mips/sgi-ip22/ip22-reset.o arch/mips/sgi-ip22/ip22-reset.c: In function 'reboot_setup': arch/mips/sgi-ip22/ip22-reset.c:239: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result Signed-off-by: Ralf Baechle <[email protected]>
kyagi · Oct 16, 2007 · 754d0f2 · 754d0f2
1 parent f70fd1b
commit 754d0f2
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c
@@ -232,11 +232,18 @@ static struct notifier_block panic_block = {
 
 static int __init reboot_setup(void)
 {
+	int res;
+
 	_machine_restart = sgi_machine_restart;
 	_machine_halt = sgi_machine_halt;
 	pm_power_off = sgi_machine_power_off;
 
-	request_irq(SGI_PANEL_IRQ, panel_int, 0, "Front Panel", NULL);
+	res = request_irq(SGI_PANEL_IRQ, panel_int, 0, "Front Panel", NULL);
+	if (res) {
+		printk(KERN_ERR "Allocation of front panel IRQ failed\n");
+		return res;
+	}
+
 	init_timer(&blink_timer);
 	blink_timer.function = blink_timeout;
 	atomic_notifier_chain_register(&panic_notifier_list, &panic_block);