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, 17 insertions, 16 deletions

diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 9eb54b557c9f..8bb13a4af68a 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -94,28 +94,29 @@ static void pcibios_scanbus(struct pci_controller *hose)
         pci_add_resource_offset(&resources, hose->io_resource, hose->io_offset);
         bus = pci_scan_root_bus(NULL, next_busno, hose->pci_ops, hose,
                                 &resources);
-        if (!bus)
-                pci_free_resource_list(&resources);
-
         hose->bus = bus;
 
         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;
-                }
 
-                if (!pci_has_flag(PCI_PROBE_ONLY)) {
-                        pci_bus_size_bridges(bus);
-                        pci_bus_assign_resources(bus);
-                }
-                pci_bus_add_devices(bus);
+        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;
+        }
+
+        if (!pci_has_flag(PCI_PROBE_ONLY)) {
+                pci_bus_size_bridges(bus);
+                pci_bus_assign_resources(bus);
         }
+        pci_bus_add_devices(bus);
 }
 
 #ifdef CONFIG_OF