PCI: remove useless pcix_set_mmrbc() dev->bus check

For a valid pci_dev, dev->bus != NULL always, so remove this
unnecessary test.

Found by Coverity (CID 101680).

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b9e93cf1eb407db80380928dffa167991fafa8b4..7f1310e5853498af0d013fb88f078e4177845349 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3395,8 +3395,7 @@ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc)
 
        o = (cmd & PCI_X_CMD_MAX_READ) >> 2;
        if (o != v) {
-               if (v > o && dev->bus &&
-                  (dev->bus->bus_flags & PCI_BUS_FLAGS_NO_MMRBC))
+               if (v > o && (dev->bus->bus_flags & PCI_BUS_FLAGS_NO_MMRBC))
                        return -EIO;
 
                cmd &= ~PCI_X_CMD_MAX_READ;