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Date:   Wed, 30 Dec 2020 14:28:51 +0800
From:   YANG LI <>
Cc:,,,,,,,,,,,,,,, YANG LI <>
Subject: [PATCH] mlx4: style: replace zero-length array with flexible-array member.

There is a regular need in the kernel to provide a way to declare
having a dynamically sized set of trailing elements in a structure.
Kernel code should always use "flexible array members"[1] for these
cases. The older style of one-element or zero-length arrays should
no longer be used[2].


Signed-off-by: YANG LI <>
Reported-by: Abaci <>
 drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index e8ed2319..4029a8b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -314,7 +314,7 @@ struct mlx4_en_tx_ring {
 struct mlx4_en_rx_desc {
 	/* actual number of entries depends on rx ring stride */
-	struct mlx4_wqe_data_seg data[0];
+	struct mlx4_wqe_data_seg data[];
 struct mlx4_en_rx_ring {

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