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authorBjorn Helgaas <bhelgaas@google.com>2014-05-19 18:39:07 -0600
committerBjorn Helgaas <bhelgaas@google.com>2014-05-23 12:40:49 -0600
commitd3689df04445c568c8b3dfcd8db4b562e1b18cfb (patch)
tree11e5c253120cf5f7e76e7324610934c792b76622 /drivers/pci/setup-res.c
parent30afe8d00b994416b24c63f8c5bbf1c13869ec3c (diff)
downloadlinux-d3689df04445c568c8b3dfcd8db4b562e1b18cfb.tar.gz
PCI: Simplify __pci_assign_resource() coding style
If an allocation succeeds, we can return success immediately.  Then we
don't have to test for success in the subsequent code.

No functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/setup-res.c')
-rw-r--r--drivers/pci/setup-res.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 2473f091a9cc..3bdac9dc4a88 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -213,9 +213,10 @@ static int __pci_assign_resource(struct pci_bus *bus, struct pci_dev *dev,
 	ret = pci_bus_alloc_resource(bus, res, size, align, min,
 				     IORESOURCE_PREFETCH | IORESOURCE_MEM_64,
 				     pcibios_align_resource, dev);
+	if (ret == 0)
+		return 0;
 
-	if (ret < 0 &&
-	    (res->flags & (IORESOURCE_PREFETCH | IORESOURCE_MEM_64)) ==
+	if ((res->flags & (IORESOURCE_PREFETCH | IORESOURCE_MEM_64)) ==
 	     (IORESOURCE_PREFETCH | IORESOURCE_MEM_64)) {
 		/*
 		 * That failed.
@@ -225,10 +226,11 @@ static int __pci_assign_resource(struct pci_bus *bus, struct pci_dev *dev,
 		ret = pci_bus_alloc_resource(bus, res, size, align, min,
 					     IORESOURCE_PREFETCH,
 					     pcibios_align_resource, dev);
+		if (ret == 0)
+			return 0;
 	}
 
-	if (ret < 0 &&
-	    (res->flags & (IORESOURCE_PREFETCH | IORESOURCE_MEM_64))) {
+	if (res->flags & (IORESOURCE_PREFETCH | IORESOURCE_MEM_64)) {
 		/*
 		 * That failed.
 		 *