1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index 9585c1c1cc36..f5beb24d036a 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -69,8 +69,10 @@ char *pnp_resource_type_name(struct resource *res)
                 return "irq";
         case IORESOURCE_DMA:
                 return "dma";
+        case IORESOURCE_BUS:
+                return "bus";
         }
-        return NULL;
+        return "unknown";
 }
 
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)