PCI: Cleanup control flow

Return errors immediately so the straightline path is the normal,
no-error path.  No functional change.

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

1 files changed, 14 insertions, 12 deletions

diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index efc10519916a..d5462b7bc514 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -58,21 +58,23 @@ static void pcibios_scanbus(struct pci_channel *hose)
 
         need_domain_info = need_domain_info || hose->index;
         hose->need_domain_info = need_domain_info;
-        if (bus) {
-                next_busno = bus->busn_res.end + 1;
-                /* Don't allow 8-bit bus number overflow inside the hose -
-                   reserve some space for bridges. */
-                if (next_busno > 224) {
-                        next_busno = 0;
-                        need_domain_info = 1;
-                }
 
-                pci_bus_size_bridges(bus);
-                pci_bus_assign_resources(bus);
-                pci_bus_add_devices(bus);
-        } else {
+        if (!bus) {
                 pci_free_resource_list(&resources);
+                return;
+        }
+
+        next_busno = bus->busn_res.end + 1;
+        /* Don't allow 8-bit bus number overflow inside the hose -
+           reserve some space for bridges. */
+        if (next_busno > 224) {
+                next_busno = 0;
+                need_domain_info = 1;
         }
+
+        pci_bus_size_bridges(bus);
+        pci_bus_assign_resources(bus);
+        pci_bus_add_devices(bus);
 }
 
 /*