net: hns3: clear param in ring when free ring
Param pending_buf and skb may be not NULL when free ring. This patch clears them when free ring. Signed-off-by: NPeng Li <lipeng321@huawei.com> Signed-off-by: NHuazhong Tan <tanhuazhong@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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