net: microchip: Remove unneeded variable ret

Remove unneeded variable ret used to store return value.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Link: https://lore.kernel.org/r/20201023092107.28065-1-vulab@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index a193884..8ea0b4e 100644 (file)
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -834,14 +834,13 @@ static int lan743x_mac_init(struct lan743x_adapter *adapter)
 
 static int lan743x_mac_open(struct lan743x_adapter *adapter)
 {
-       int ret = 0;
        u32 temp;
 
        temp = lan743x_csr_read(adapter, MAC_RX);
        lan743x_csr_write(adapter, MAC_RX, temp | MAC_RX_RXEN_);
        temp = lan743x_csr_read(adapter, MAC_TX);
        lan743x_csr_write(adapter, MAC_TX, temp | MAC_TX_TXEN_);
-       return ret;
+       return 0;
 }
 
 static void lan743x_mac_close(struct lan743x_adapter *adapter)