[dpdk-stable] [PATCH] net/mlx5: fix doorbell register offset type
Viacheslav Ovsiienko
viacheslavo at mellanox.com
Mon Jan 13 15:22:37 CET 2020
The doorbell register is mapped using mmap() and offset
must have off_t instead of unsigned int. Bug is not critical
due to only least significant bits of offset are currently
tested to determine mapping mode.
Fixes: 8409a28573d3 ("net/mlx5: control transmit doorbell register mapping")
Cc: stable at dpdk.org
Signed-off-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>
---
drivers/net/mlx5/mlx5_txq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index c750082..1a76f6e 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -314,7 +314,7 @@
txq_uar_ncattr_init(struct mlx5_txq_ctrl *txq_ctrl, size_t page_size)
{
struct mlx5_priv *priv = txq_ctrl->priv;
- unsigned int cmd;
+ off_t cmd;
txq_ctrl->txq.db_heu = priv->config.dbnc == MLX5_TXDB_HEURISTIC;
txq_ctrl->txq.db_nc = 0;
--
1.8.3.1
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