net: hns3: add pointer checking at the beginning of the exported functions.
These functions are exported, add pointer checking at the beginning can make them more safe. Signed-off-by:Yonglong Liu <liuyonglong@huawei.com> Signed-off-by:
Peng Li <lipeng321@huawei.com> Signed-off-by:
Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
2fb44dd0
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