netdev - [PATCH] net: stmmac: remove variable 'ret' set but not used

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Date:   Sat, 16 Nov 2019 11:50:46 +0800
From:   Chen Wandun <chenwandun@...wei.com>
To:     <davem@...emloft.net>, <joabreu@...opsys.com>,
        <netdev@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <chenwandun@...wei.com>
Subject: [PATCH] net: stmmac: remove variable 'ret' set but not used

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c: In function stmmac_rx_buf1_len:
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3460:6: warning: variable ret set but not used [-Wunused-but-set-variable]

Signed-off-by: Chen Wandun <chenwandun@...wei.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 39b4efd..7003a30 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3457,7 +3457,7 @@ 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;
+	int coe = priv->hw->rx_csum;
 	unsigned int plen = 0, hlen = 0;
 
 	/* Not first descriptor, buffer is always zero */
@@ -3465,7 +3465,7 @@ static unsigned int stmmac_rx_buf1_len(struct stmmac_priv *priv,
 		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