net/mlx5: Use 2-factor allocator calls

This restores the use of 2-factor allocation helpers that were already
fixed treewide. Please do not use open-coded multiplication; prefer,
instead, using 2-factor allocation helpers.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index bbd2fd0..c7791d0 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -349,7 +349,8 @@ static int mlx5e_rq_alloc_mpwqe_info(struct mlx5e_rq *rq,
 {
        int wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq);
 
-       rq->mpwqe.info = kvzalloc_node(wq_sz * sizeof(*rq->mpwqe.info),
+       rq->mpwqe.info = kvzalloc_node(array_size(wq_sz,
+                                                 sizeof(*rq->mpwqe.info)),
                                       GFP_KERNEL, cpu_to_node(c->cpu));
        if (!rq->mpwqe.info)
                return -ENOMEM;
@@ -969,7 +970,7 @@ static int mlx5e_alloc_xdpsq_db(struct mlx5e_xdpsq *sq, int numa)
 {
        int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
 
-       sq->db.di = kvzalloc_node(sizeof(*sq->db.di) * wq_sz,
+       sq->db.di = kvzalloc_node(array_size(wq_sz, sizeof(*sq->db.di)),
                                  GFP_KERNEL, numa);
        if (!sq->db.di) {
                mlx5e_free_xdpsq_db(sq);
@@ -1028,7 +1029,8 @@ static int mlx5e_alloc_icosq_db(struct mlx5e_icosq *sq, int numa)
 {
        u8 wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
 
-       sq->db.ico_wqe = kvzalloc_node(sizeof(*sq->db.ico_wqe) * wq_sz,
+       sq->db.ico_wqe = kvzalloc_node(array_size(wq_sz,
+                                                 sizeof(*sq->db.ico_wqe)),
                                       GFP_KERNEL, numa);
        if (!sq->db.ico_wqe)
                return -ENOMEM;
@@ -1083,9 +1085,11 @@ static int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa)
        int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
        int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS;
 
-       sq->db.dma_fifo = kvzalloc_node(df_sz * sizeof(*sq->db.dma_fifo),
+       sq->db.dma_fifo = kvzalloc_node(array_size(df_sz,
+                                                  sizeof(*sq->db.dma_fifo)),
                                        GFP_KERNEL, numa);
-       sq->db.wqe_info = kvzalloc_node(wq_sz * sizeof(*sq->db.wqe_info),
+       sq->db.wqe_info = kvzalloc_node(array_size(wq_sz,
+                                                  sizeof(*sq->db.wqe_info)),
                                        GFP_KERNEL, numa);
        if (!sq->db.dma_fifo || !sq->db.wqe_info) {
                mlx5e_free_txqsq_db(sq);