[PATCH 7/15 v5] PCI: cleanup pcibios_allocate_resources()

[Yu Zhao <yu.zhao@intel.com>]

This cleanup makes pcibios_allocate_resources() easier to be read.

Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Alex Chiang <achiang@hp.com>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Roland Dreier <rdreier@cisco.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>

---
 arch/x86/pci/i386.c |   28 ++++++++++++++--------------
 1 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 844df0c..8729bde 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -147,7 +147,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 static void __init pcibios_allocate_resources(int pass)
 {
 	struct pci_dev *dev = NULL;
-	int idx, disabled;
+	int idx, enabled;
 	u16 command;
 	struct resource *r, *pr;
 
@@ -160,22 +160,22 @@ static void __init pcibios_allocate_resources(int pass)
 			if (!r->start)		/* Address not assigned at all */
 				continue;
 			if (r->flags & IORESOURCE_IO)
-				disabled = !(command & PCI_COMMAND_IO);
+				enabled = command & PCI_COMMAND_IO;
 			else
-				disabled = !(command & PCI_COMMAND_MEMORY);
-			if (pass == disabled) {
-				dev_dbg(&dev->dev, "resource %#08llx-%#08llx (f=%lx, d=%d, p=%d)\n",
+				enabled = command & PCI_COMMAND_MEMORY;
+			if (pass == enabled)
+				continue;
+			dev_dbg(&dev->dev, "resource %#08llx-%#08llx (f=%lx, d=%d, p=%d)\n",
 					(unsigned long long) r->start,
 					(unsigned long long) r->end,
-					r->flags, disabled, pass);
-				pr = pci_find_parent_resource(dev, r);
-				if (!pr || request_resource(pr, r) < 0) {
-					dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
-					/* We'll assign a new address later */
-					r->end -= r->start;
-					r->start = 0;
-				}
-			}
+					r->flags, enabled, pass);
+			pr = pci_find_parent_resource(dev, r);
+			if (pr && !request_resource(pr, r))
+				continue;
+			dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
+			/* We'll assign a new address later */
+			r->end -= r->start;
+			r->start = 0;
 		}
 		if (!pass) {
 			r = &dev->resource[PCI_ROM_RESOURCE];
-- 
1.5.6.4