[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 4fd2bec89916f63d73b1184972035a2f40addd04..75aad38179f0131e733690bde4a51461fb67b8d6 100644 (file)
--- 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;
+               }
        }
 }