MSI: Consolidate precondition checks
Consolidate precondition checks into a single if statement.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index d5b9b94..b6dc69e 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -525,12 +525,7 @@
struct msi_desc *entry;
int default_irq;
- if (!pci_msi_enable)
- return;
- if (!dev)
- return;
-
- if (!dev->msi_enabled)
+ if (!pci_msi_enable || !dev || !dev->msi_enabled)
return;
msi_set_enable(dev, 0);
@@ -656,12 +651,7 @@
void pci_disable_msix(struct pci_dev* dev)
{
- if (!pci_msi_enable)
- return;
- if (!dev)
- return;
-
- if (!dev->msix_enabled)
+ if (!pci_msi_enable || !dev || !dev->msix_enabled)
return;
msix_set_enable(dev, 0);