net: hns3: add netdev reset check for hns3_set_tunable()

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When pci device reset failed, it does uninit operation and priv->ring
is NULL, it causes accessing NULL pointer error.

Add netdev reset check for hns3_set_tunable() to fix it.

Fixes: 99f6b5fb5f ("net: hns3: use bounce buffer when rx page can not be reused")
Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Hao Chen 2022-03-26 17:51:03 +08:00 • committed by David S. Miller

parent 671cb8cbb9

commit f5cd60169f

1 changed files with 5 additions and 3 deletions

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8

drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c

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