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SubjectRe: [PATCH net-next v2] BNX2: fix a Null Pointer for stats_blk
On 2015/9/28 15:01, Weidong Wang wrote:
> we have two processes to do:
> P1#: ifconfig eth0 down; which will call bnx2_close, then will
> , and set Null to stats_blk
> P2#: ifconfig eth0; which will call bnx2_get_stats64, it will
> use stats_blk.
> In one case:
> --P1#-- --P2#--
> stats_blk(no null)
> bnx2_free_mem
> ->bp->stats_blk = NULL
> GET_64BIT_NET_STATS
>
> then it will cause 'NULL Pointer' Problem.
> it is as well with 'ethtool -S ethx'.
>
> Allocate the statistics block at probe time so that this problem is
> impossible
>
> Signed-off-by: Tianhong Ding <dingtianhong@huawei.com>
> ---

Sorry for that, The sob is Error. I will fixed it.

Just Ignore it.

Regards.
Weidong



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