MIPS: MSP71xx: request_irq() failure ignored in msp_pcibios_config_access()

Produce an error if request_irq() fails.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: "Ithamar R. Adema" <ithamar.adema@team-embedded.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c
index 109c95ca698b..32548b5d68d6 100644
--- a/arch/mips/pci/ops-pmcmsp.c
+++ b/arch/mips/pci/ops-pmcmsp.c
@@ -385,6 +385,7 @@ int msp_pcibios_config_access(unsigned char access_type,
         unsigned long intr;
         unsigned long value;
         static char pciirqflag;
+        int ret;
 #if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
         unsigned int    vpe_status;
 #endif
@@ -402,11 +403,13 @@ int msp_pcibios_config_access(unsigned char access_type,
          * allocation assigns an interrupt handler to the interrupt.
          */
         if (pciirqflag == 0) {
-                request_irq(MSP_INT_PCI,/* Hardcoded internal MSP7120 wiring */
+                ret = request_irq(MSP_INT_PCI,/* Hardcoded internal MSP7120 wiring */
                                 bpci_interrupt,
                                 IRQF_SHARED | IRQF_DISABLED,
                                 "PMC MSP PCI Host",
                                 preg);
+                if (ret != 0)
+                        return ret;
                 pciirqflag = ~0;
         }