net: hns3: check msg_data before memcpy in hclgevf_send_mbx_msg

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The value of msg_data may be NULL in some cases, which will cause
errors reported by some compiler.

So this patch adds a check to fix it.

Signed-off-by: Weihang Li <liweihang@hisilicon.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>

...

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Weihang Li 2019-07-04 22:04:25 +08:00 • committed by David S. Miller

parent c09ba48456

commit 0bae5cf25d

1 changed files with 2 additions and 1 deletions

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drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c

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