Re: [PATCH] ibmvnic: fix: NULL pointer dereference.

From: Lijun Pan
Date: Wed Dec 30 2020 - 17:07:01 EST


On Wed, Dec 30, 2020 at 1:25 AM YANG LI <abaci-bugfix@xxxxxxxxxxxxxxxxx> wrote:
>
> The error is due to dereference a null pointer in function
> reset_one_sub_crq_queue():
>
> if (!scrq) {
> netdev_dbg(adapter->netdev,
> "Invalid scrq reset. irq (%d) or msgs(%p).\n",
> scrq->irq, scrq->msgs);
> return -EINVAL;
> }
>
> If the expression is true, scrq must be a null pointer and cannot
> dereference.
>
> Signed-off-by: YANG LI <abaci-bugfix@xxxxxxxxxxxxxxxxx>
> Reported-by: Abaci <abaci@xxxxxxxxxxxxxxxxx>
> ---

Acked-by: Lijun Pan <ljp@xxxxxxxxxxxxx>