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authorKees Cook2018-07-04 19:28:47 +0200
committerDavid S. Miller2018-07-10 01:00:07 +0200
commiteec4edc9ee08fe5c2f219b4fab7aed71b409e196 (patch)
tree27cc7cf4e5f064ac75094b0f4d3c3be312b72764 /drivers/net/ethernet/mellanox/mlx5/core/en_main.c
parenttcp: remove SG-related comment in tcp_sendmsg() (diff)
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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>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index bbd2fd0b2e06..c7791d036e9f 100644
--- 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);