[PATCH] net: pch_gbe: remove unneeded variable retval in __pch_gbe_suspend

[xiakaixu1987]

From: Kaixu Xia <kaixu...@tencent.com>

Fix the following coccicheck warning:

./drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2415:5-11: Unneeded 
variable: "retval". Return "0" on line 2435

Reported-by: Tosk Robot <tencent_os_ro...@tencent.com>
Signed-off-by: Kaixu Xia <kaixu...@tencent.com>
---
 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c 
b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index ade8c44c01cd..b9e32e4478a8 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
@@ -2412,7 +2412,6 @@ static int __pch_gbe_suspend(struct pci_dev *pdev)
        struct pch_gbe_adapter *adapter = netdev_priv(netdev);
        struct pch_gbe_hw *hw = &adapter->hw;
        u32 wufc = adapter->wake_up_evt;
-       int retval = 0;
 
        netif_device_detach(netdev);
        if (netif_running(netdev))
@@ -2432,7 +2431,7 @@ static int __pch_gbe_suspend(struct pci_dev *pdev)
                pch_gbe_mac_set_wol_event(hw, wufc);
                pci_disable_device(pdev);
        }
-       return retval;
+       return 0;
 }
 
 #ifdef CONFIG_PM
-- 
2.20.0