diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index 298e0e3fc0c9..7fb350b87b49 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -1461,7 +1461,8 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
 		if (!sde->descq)
 			goto bail;
 		sde->tx_ring =
-			kvzalloc_node(sizeof(struct sdma_txreq *) * descq_cnt,
+			kvzalloc_node(array_size(descq_cnt,
+						 sizeof(struct sdma_txreq *)),
 				      GFP_KERNEL, dd->node);
 		if (!sde->tx_ring)
 			goto bail;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index d56752273d00..56c1b6f5593e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -448,7 +448,7 @@ static int mlx5e_init_di_list(struct mlx5e_rq *rq,
 {
 	int len = wq_sz << rq->wqe.info.log_num_frags;
 
-	rq->wqe.di = kvzalloc_node(len * sizeof(*rq->wqe.di),
+	rq->wqe.di = kvzalloc_node(array_size(len, sizeof(*rq->wqe.di)),
 				   GFP_KERNEL, cpu_to_node(cpu));
 	if (!rq->wqe.di)
 		return -ENOMEM;
@@ -563,8 +563,8 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
 
 		rq->wqe.info = rqp->frags_info;
 		rq->wqe.frags =
-			kvzalloc_node((wq_sz << rq->wqe.info.log_num_frags) *
-				      sizeof(*rq->wqe.frags),
+			kvzalloc_node(array_size(sizeof(*rq->wqe.frags),
+					(wq_sz << rq->wqe.info.log_num_frags)),
 				      GFP_KERNEL, cpu_to_node(c->cpu));
 		if (!rq->wqe.frags) {
 			err = -ENOMEM;