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authorQianqian Xie <xieqianqian@huawei.com>2016-03-24 12:08:03 +0100
committerDavid S. Miller <davem@davemloft.net>2016-03-24 19:33:06 +0100
commit1c3bae6e475fed5c570ac16fef2afe743c477886 (patch)
treea4b9952797056efd2c5c77a00a6318b85f170ee3 /drivers
parentnet: hns: bug fix for return values (diff)
downloadlinux-1c3bae6e475fed5c570ac16fef2afe743c477886.tar.xz
linux-1c3bae6e475fed5c570ac16fef2afe743c477886.zip
net: hns: remove useless variable assignment and comment
The variable head in hns_nic_tx_fini_pro has read a value, but it is obviously no use. The patch will fix it. And the comment is nothing to do with the routine, so it has to be removed Signed-off-by: Qianqian Xie <xieqianqian@huawei.com> Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_enet.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 71aa37b4b338..f0c9a41a7443 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -913,10 +913,7 @@ static int hns_nic_tx_poll_one(struct hns_nic_ring_data *ring_data,
static void hns_nic_tx_fini_pro(struct hns_nic_ring_data *ring_data)
{
struct hnae_ring *ring = ring_data->ring;
- int head = ring->next_to_clean;
-
- /* for hardware bug fixed */
- head = readl_relaxed(ring->io_base + RCB_REG_HEAD);
+ int head = readl_relaxed(ring->io_base + RCB_REG_HEAD);
if (head != ring->next_to_clean) {
ring_data->ring->q->handle->dev->ops->toggle_ring_irq(