[POWERPC] Fix compile warning in pseries xics code

In 616883df78bd4b3fcdb6ddc39bd3d4cb902bfa32 request_irq was marked as
__must_check so we must... er... check it.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index b854e7f1001c..f1df942072bb 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -752,6 +752,7 @@ skip_gserver_check:
 void xics_request_IPIs(void)
 {
         unsigned int ipi;
+        int rc;
 
         ipi = irq_create_mapping(xics_host, XICS_IPI);
         BUG_ON(ipi == NO_IRQ);
@@ -762,11 +763,12 @@ void xics_request_IPIs(void)
          */
         set_irq_handler(ipi, handle_percpu_irq);
         if (firmware_has_feature(FW_FEATURE_LPAR))
-                request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED,
-                            "IPI", NULL);
+                rc = request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED,
+                                "IPI", NULL);
         else
-                request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED,
-                            "IPI", NULL);
+                rc = request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED,
+                                "IPI", NULL);
+        BUG_ON(rc);
 }
 #endif /* CONFIG_SMP */