[PATCH net-next] net/mlx5: HWS, check the correct variable in hws_send_ring_alloc_sq()

From: Dan Carpenter
Date: Sat Sep 14 2024 - 05:59:34 EST


There is a copy and paste bug so this code checks "sq->dep_wqe" where
"sq->wr_priv" was intended. It could result in a NULL pointer
dereference.

Fixes: 2ca62599aa0b ("net/mlx5: HWS, added send engine and context handling")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
.../net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c
index fb97a15c041a..a1adbb48735c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_send.c
@@ -584,7 +584,7 @@ static int hws_send_ring_alloc_sq(struct mlx5_core_dev *mdev,
}

sq->wr_priv = kzalloc(sizeof(*sq->wr_priv) * buf_sz, GFP_KERNEL);
- if (!sq->dep_wqe) {
+ if (!sq->wr_priv) {
err = -ENOMEM;
goto free_dep_wqe;
}
--
2.45.2