powerpc: Fix a number of sparse warnings

[linux-2.6-block.git] / arch / powerpc / kernel / pci_64.c

diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 2e8629654ca872443e89e30455b05f54c1850eb0..cdf5aa1411bf342933836ce445f874a7276c2297 100644 (file)
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -109,7 +109,7 @@ int pcibios_unmap_io_space(struct pci_bus *bus)
        hose = pci_bus_to_host(bus);
 
        /* Check if we have IOs allocated */
-       if (hose->io_base_alloc == 0)
+       if (hose->io_base_alloc == NULL)
                return 0;
 
        pr_debug("IO unmapping for PHB %s\n", hose->dn->full_name);