RE: [PATCH] qedr: return -EINVAL if pd is null and avoid null ptr dereference
From: Amrani, Ram
Date: Thu Oct 20 2016 - 05:46:19 EST
> drivers/infiniband/hw/qedr/verbs.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/hw/qedr/verbs.c
> b/drivers/infiniband/hw/qedr/verbs.c
> index a615142..b2a0eb8 100644
> --- a/drivers/infiniband/hw/qedr/verbs.c
> +++ b/drivers/infiniband/hw/qedr/verbs.c
> @@ -511,8 +511,10 @@ int qedr_dealloc_pd(struct ib_pd *ibpd)
> struct qedr_dev *dev = get_qedr_dev(ibpd->device);
> struct qedr_pd *pd = get_qedr_pd(ibpd);
>
> - if (!pd)
> + if (!pd) {
> pr_err("Invalid PD received in dealloc_pd\n");
> + return -EINVAL;
> + }
>
> DP_DEBUG(dev, QEDR_MSG_INIT, "Deallocating PD %d\n", pd->pd_id);
> dev->ops->rdma_dealloc_pd(dev->rdma_ctx, pd->pd_id);
> --
> 2.9.3
Thanks Colin.
Acked-by: Ram Amrani <ram.amrani@xxxxxxxxxx>