On Mon, 2020-08-10 at 02:38 +0000, Xu Wang wrote:
> A multiplication for the size determination of a memory allocation
> indicated that an array data structure should be processed.
> Thus use the corresponding function "devm_kcalloc".
[]
> diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
> b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
[]
> @@ -412,7 +412,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif,
> unsigned int type,
>
> new->flags = flags;
>
> - new->q.info = devm_kzalloc(dev, sizeof(*new->q.info) * num_descs,
> + new->q.info = devm_kcalloc(dev, num_descs, sizeof(*new->q.info),
> GFP_KERNEL);
> if (!new->q.info) {
> netdev_err(lif->netdev, "Cannot allocate queue info\n");
You could also remove these unnecessary allocation error messages.
There is an existing dump_stack() on allocation failure.
> @@ -462,7 +462,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif,
> unsigned int type,
> new->intr.index = IONIC_INTR_INDEX_NOT_ASSIGNED;
> }
>
> - new->cq.info = devm_kzalloc(dev, sizeof(*new->cq.info) * num_descs,
> + new->cq.info = devm_kcalloc(dev, num_descs, sizeof(*new->cq.info),
> GFP_KERNEL);
> if (!new->cq.info) {
> netdev_err(lif->netdev, "Cannot allocate completion queue
> info\n");
