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authorZhang Changzhong <zhangchangzhong@huawei.com>2020-09-14 21:08:37 +0800
committerDavid S. Miller <davem@davemloft.net>2020-09-14 13:42:09 -0700
commit85743cead5ab2716f3b81ada5191aad68feb8678 (patch)
tree0562e7fddba938546a0a1ab2eff4bc662eab096e /drivers/net/ethernet/dnet.c
parenttcp: remove SOCK_QUEUE_SHRUNK (diff)
downloadlinux-dev-85743cead5ab2716f3b81ada5191aad68feb8678.tar.xz
linux-dev-85743cead5ab2716f3b81ada5191aad68feb8678.zip
net: dnet: remove unused variable 'tx_status 'in dnet_start_xmit()
Fixes the following W=1 kernel build warning(s): drivers/net/ethernet/dnet.c:510:6: warning: variable 'tx_status' set but not used [-Wunused-but-set-variable] u32 tx_status, irq_enable; ^~~~~~~~~ After commit 4796417417a6 ("dnet: Dave DNET ethernet controller driver (updated)"), variable 'tx_status' is never used in dnet_start_xmit(), so removing it to avoid build warning. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/dnet.c')
-rw-r--r--drivers/net/ethernet/dnet.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/dnet.c b/drivers/net/ethernet/dnet.c
index 3143df9a398c..7f87b0f51404 100644
--- a/drivers/net/ethernet/dnet.c
+++ b/drivers/net/ethernet/dnet.c
@@ -507,12 +507,12 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
- u32 tx_status, irq_enable;
+ u32 irq_enable;
unsigned int i, tx_cmd, wrsz;
unsigned long flags;
unsigned int *bufp;
- tx_status = dnet_readl(bp, TX_STATUS);
+ dnet_readl(bp, TX_STATUS);
pr_debug("start_xmit: len %u head %p data %p\n",
skb->len, skb->head, skb->data);
@@ -520,7 +520,7 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
spin_lock_irqsave(&bp->lock, flags);
- tx_status = dnet_readl(bp, TX_STATUS);
+ dnet_readl(bp, TX_STATUS);
bufp = (unsigned int *)(((unsigned long) skb->data) & ~0x3UL);
wrsz = (u32) skb->len + 3;
@@ -542,7 +542,7 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (dnet_readl(bp, TX_FIFO_WCNT) > DNET_FIFO_TX_DATA_AF_TH) {
netif_stop_queue(dev);
- tx_status = dnet_readl(bp, INTR_SRC);
+ dnet_readl(bp, INTR_SRC);
irq_enable = dnet_readl(bp, INTR_ENB);
irq_enable |= DNET_INTR_ENB_TX_FIFOAE;
dnet_writel(bp, irq_enable, INTR_ENB);