[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>

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index b854e7f1001c60c79697cd96c957b388a0fe7b98..f1df942072bbdefdb3e7a397e2c7637c53423d43 100644 (file)
--- 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 */