1 files changed, 4 insertions, 0 deletions

diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 6afb595e0d86..3b8507f71050 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -651,6 +651,10 @@ static int match_pci_device(struct device *dev, int index,
                                         (modpath->mod == PCI_FUNC(devfn)));
         }
 
+        /* index might be out of bounds for bc[] */
+        if (index >= 6)
+                return 0;
+
         id = PCI_SLOT(pdev->devfn) | (PCI_FUNC(pdev->devfn) << 5);
         return (modpath->bc[index] == id);
 }