net: hns3: add check to number of buffer descriptors

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This patch adds check to number of bds before we allocate memory for
them. If we get an invalid bd num in some cases, it will cause a memory
overflow.

Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Weihang Li 2019-06-20 16:52:42 +08:00 • committed by David S. Miller

parent 9d5e67d1c1

commit 987b4ae78e

2 changed files with 58 additions and 33 deletions

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86

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c

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5

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h

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