1 files changed, 1 insertions, 1 deletions

diff --git a/arch/mips/pci/ops-emma2rh.c b/arch/mips/pci/ops-emma2rh.c
index 38f181625e10..d31bfc6d4150 100644
--- a/arch/mips/pci/ops-emma2rh.c
+++ b/arch/mips/pci/ops-emma2rh.c
@@ -45,7 +45,7 @@ static int check_args(struct pci_bus *bus, u32 devfn, u32 * bus_num)
         /* check if the bus is top-level */
         if (bus->parent != NULL) {
                 *bus_num = bus->number;
-                db_assert(bus_num != 0);
+                db_assert(bus_num != NULL);
         } else
                 *bus_num = 0;