[PATCH net-next 1/9] net: hns3: limit the error logging in the hns3_clean_tx_ring()

From: Huazhong Tan
Date: Tue Jan 21 2020 - 03:42:32 EST


From: Yunsheng Lin <linyunsheng@xxxxxxxxxx>

The error log printed by netdev_err() in the hns3_clean_tx_ring()
may spam the kernel log.

This patch uses hns3_rl_err() to ratelimit the error log in the
hns3_clean_tx_ring().

Signed-off-by: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
Signed-off-by: Huazhong Tan <tanhuazhong@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 914a763..f579028 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2540,8 +2540,8 @@ void hns3_clean_tx_ring(struct hns3_enet_ring *ring)
rmb(); /* Make sure head is ready before touch any data */

if (unlikely(!is_valid_clean_head(ring, head))) {
- netdev_err(netdev, "wrong head (%d, %d-%d)\n", head,
- ring->next_to_use, ring->next_to_clean);
+ hns3_rl_err(netdev, "wrong head (%d, %d-%d)\n", head,
+ ring->next_to_use, ring->next_to_clean);

u64_stats_update_begin(&ring->syncp);
ring->stats.io_err_cnt++;
--
2.7.4