1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index 4e082100fa9b..405537662392 100644
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -210,7 +210,14 @@ int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
 {
         struct pci_dev *pdev = pc->core->bus->host_pci;
         u32 coremask, tmp;
-        int err;
+        int err = 0;
+
+        if (core->bus->hosttype != BCMA_HOSTTYPE_PCI) {
+                /* This bcma device is not on a PCI host-bus. So the IRQs are
+                 * not routed through the PCI core.
+                 * So we must not enable routing through the PCI core. */
+                goto out;
+        }
 
         err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
         if (err)