From: Olof Johansson <olof@lixom.net>
Date: Mon, 14 May 2007 20:59:12 +0000 (+1000)
Subject: [POWERPC] Remove warning in mpic.c
X-Git-Tag: firefly_0821_release~29041^2~13
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d16f1b648356d70ebbda2eb1b2af18a6816dacb1;p=firefly-linux-kernel-4.4.55.git

[POWERPC] Remove warning in mpic.c

arch/powerpc/sysdev/mpic.c: In function 'mpic_request_ipis':
arch/powerpc/sysdev/mpic.c:1445: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 4fd2bec89916..75aad38179f0 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1424,7 +1424,7 @@ unsigned int mpic_get_irq(void)
 void mpic_request_ipis(void)
 {
 	struct mpic *mpic = mpic_primary;
-	int i;
+	int i, err;
 	static char *ipi_names[] = {
 		"IPI0 (call function)",
 		"IPI1 (reschedule)",
@@ -1442,8 +1442,14 @@ void mpic_request_ipis(void)
 			printk(KERN_ERR "Failed to map IPI %d\n", i);
 			break;
 		}
-		request_irq(vipi, mpic_ipi_action, IRQF_DISABLED|IRQF_PERCPU,
-			    ipi_names[i], mpic);
+		err = request_irq(vipi, mpic_ipi_action,
+				  IRQF_DISABLED|IRQF_PERCPU,
+				  ipi_names[i], mpic);
+		if (err) {
+			printk(KERN_ERR "Request of irq %d for IPI %d failed\n",
+			       vipi, i);
+			break;
+		}
 	}
 }