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net/mlx5e: Use array_size() helper

PATCH Applied Gustavo A. R. Silva 2 participants 2 messages Sep 28, 2021 – Sep 30, 2021

Subsystems (5)
Networking Network drivers InfiniBand Mellanox mlx5 core +1 more subsystems
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Gustavo A. R. Silva

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PATCH 1/1 net/mlx5e: Use array_size() helper

Use array_size() helper to aid in 2-factor allocation instances.

Link https://github.com/KSPP/linux/issues/160
Signed-off-by Gustavo A. R. Silva <[email protected]>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
drivers/net/ethernet/mellanox/mlx5/core/en_main.c +6 -4
index 3fd515e7bf30..3ab5929ff131 100644
@@ -930,9 +930,10 @@ static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa)
 	struct mlx5e_xdp_info_fifo *xdpi_fifo = &sq->db.xdpi_fifo;
 	int wq_sz        = mlx5_wq_cyc_get_size(&sq->wq);
 	int dsegs_per_wq = wq_sz * MLX5_SEND_WQEBB_NUM_DS;
+	size_t size;
 
-	xdpi_fifo->xi = kvzalloc_node(sizeof(*xdpi_fifo->xi) * dsegs_per_wq,
-				      GFP_KERNEL, numa);
+	size = array_size(sizeof(*xdpi_fifo->xi), dsegs_per_wq);
+	xdpi_fifo->xi = kvzalloc_node(size, GFP_KERNEL, numa);
 	if (!xdpi_fifo->xi)
 		return -ENOMEM;
 

@@ -946,10 +947,11 @@ static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa)
 static int mlx5e_alloc_xdpsq_db(struct mlx5e_xdpsq *sq, int numa)
 {
 	int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
+	size_t size;
 	int err;
 
-	sq->db.wqe_info = kvzalloc_node(sizeof(*sq->db.wqe_info) * wq_sz,
-					GFP_KERNEL, numa);
+	size = array_size(sizeof(*sq->db.wqe_info), wq_sz);
+	sq->db.wqe_info = kvzalloc_node(size, GFP_KERNEL, numa);
 	if (!sq->db.wqe_info)
 		return -ENOMEM;
Signature · 1 line
2.27.0