Fixes the following warning when using W=1 to build kernel:

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3634:6: warning: variable 
‘ret’ set but not used [-Wunused-but-set-variable]
int ret, coe = priv->hw->rx_csum;

When digging stmmac_get_rx_header_len(), dwmac4_get_rx_header_len() and
dwxgmac2_get_rx_header_len() return 0 by default. Therefore, ret do not
need to check the error value and can be directly deleted.

Signed-off-by: Luo Jiaxing <luojiax...@huawei.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 89b2b34..7e95412 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3631,15 +3631,15 @@ static unsigned int stmmac_rx_buf1_len(struct 
stmmac_priv *priv,
                                       struct dma_desc *p,
                                       int status, unsigned int len)
 {
-       int ret, coe = priv->hw->rx_csum;
        unsigned int plen = 0, hlen = 0;
+       int coe = priv->hw->rx_csum;
 
        /* Not first descriptor, buffer is always zero */
        if (priv->sph && len)
                return 0;
 
        /* First descriptor, get split header length */
-       ret = stmmac_get_rx_header_len(priv, p, &hlen);
+       stmmac_get_rx_header_len(priv, p, &hlen);
        if (priv->sph && hlen) {
                priv->xstats.rx_split_hdr_pkt_n++;
                return hlen;
-- 
2.7.4

Reply via email to