PCI: Remove useless "!dev" tests

No need to check "!dev" when the caller should always supply a valid
pointer.  If the caller *doesn't* supply a valid pointer, it probably
won't check for a failure return either.  This way we'll oops and get a
backtrace.

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

diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index a32bd9ad0931e64faa893be4dc86a432fcc79d23..bafd2bbcaf6541d1983fababa4563ae174837e15 100644 (file)
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -729,10 +729,10 @@ EXPORT_SYMBOL_GPL(pci_sriov_migration);
  */
 int pci_num_vf(struct pci_dev *dev)
 {
-       if (!dev || !dev->is_physfn)
+       if (!dev->is_physfn)
                return 0;
-       else
-               return dev->sriov->num_VFs;
+
+       return dev->sriov->num_VFs;
 }
 EXPORT_SYMBOL_GPL(pci_num_vf);
 
@@ -750,7 +750,7 @@ EXPORT_SYMBOL_GPL(pci_num_vf);
  */
 int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs)
 {
-       if (!dev || !dev->is_physfn || (numvfs > dev->sriov->total_VFs))
+       if (!dev->is_physfn || (numvfs > dev->sriov->total_VFs))
                return -EINVAL;
 
        /* Shouldn't change if VFs already enabled */
@@ -773,12 +773,12 @@ EXPORT_SYMBOL_GPL(pci_sriov_set_totalvfs);
  */
 int pci_sriov_get_totalvfs(struct pci_dev *dev)
 {
-       if (!dev || !dev->is_physfn)
+       if (!dev->is_physfn)
                return -EINVAL;
 
        if (dev->sriov->driver_max_VFs)
                return dev->sriov->driver_max_VFs;
-       else
-               return dev->sriov->total_VFs;
+
+       return dev->sriov->total_VFs;
 }
 EXPORT_SYMBOL_GPL(pci_sriov_get_totalvfs);