diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 658ac977cb56..9c5d2a992999 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -287,7 +287,7 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child)
 		limit |= (io_limit_hi << 16);
 	}
 
-	if (base && base <= limit) {
+	if (base <= limit) {
 		res->flags = (io_base_lo & PCI_IO_RANGE_TYPE_MASK) | IORESOURCE_IO;
 		res2.flags = res->flags;
 		region.start = base;
@@ -314,7 +314,7 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
 	pci_read_config_word(dev, PCI_MEMORY_LIMIT, &mem_limit_lo);
 	base = (mem_base_lo & PCI_MEMORY_RANGE_MASK) << 16;
 	limit = (mem_limit_lo & PCI_MEMORY_RANGE_MASK) << 16;
-	if (base && base <= limit) {
+	if (base <= limit) {
 		res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM;
 		region.start = base;
 		region.end = limit + 0xfffff;
@@ -360,7 +360,7 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
 #endif
 		}
 	}
-	if (base && base <= limit) {
+	if (base <= limit) {
 		res->flags = (mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) |
 					 IORESOURCE_MEM | IORESOURCE_PREFETCH;
 		if (res->flags & PCI_PREF_RANGE_TYPE_64)