PCI: cadence: Simplify cdns_pcie_host_init_address_translation() return expression

Simplify the return expression.

Link: https://lore.kernel.org/r/20200921131053.92752-1-miaoqinglang@huawei.com
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>

diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 4550e0d469ca8f9f73cd63dc5571845237b9093e..811c1cb2e8deb5211ade382daae684df50f11d00 100644 (file)
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -337,7 +337,7 @@ static int cdns_pcie_host_init_address_translation(struct cdns_pcie_rc *rc)
        struct resource_entry *entry;
        u64 cpu_addr = cfg_res->start;
        u32 addr0, addr1, desc1;
-       int r, err, busnr = 0;
+       int r, busnr = 0;
 
        entry = resource_list_first_type(&bridge->windows, IORESOURCE_BUS);
        if (entry)
@@ -383,11 +383,7 @@ static int cdns_pcie_host_init_address_translation(struct cdns_pcie_rc *rc)
                r++;
        }
 
-       err = cdns_pcie_host_map_dma_ranges(rc);
-       if (err)
-               return err;
-
-       return 0;
+       return cdns_pcie_host_map_dma_ranges(rc);
 }
 
 static int cdns_pcie_host_init(struct device *dev,