[v4,2/4] net/mlx5: fix missing validation of null pointer
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Message ID c8696aa941dba0adae0f7da58b4eb30700944b3c.1557303531.git.dekelp@mellanox.com
State Accepted, archived
Delegated to: Shahaf Shuler
Headers show
  • net/mlx5: code cleanup in rx and tx files
Related show


Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Dekel Peled May 8, 2019, 8:29 a.m. UTC
Function mlx5_rxq_ibv_release() is called in several places.
Before each call except one, the input parameter is validated to make
sure it is not null.

This patch adds the validation where it is missing.
It also changes a priv_ prefix, left in a comment, to mlx5_ prefix.

Fixes: af4f09f28294 ("net/mlx5: prefix all functions with mlx5")
Cc: stable@dpdk.org

Signed-off-by: Dekel Peled <dekelp@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>
 drivers/net/mlx5/mlx5_rxq.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

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diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 83ba525..f595e7a 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -593,11 +593,12 @@ 
 		 * Need to access directly the queue to release the reference
-		 * kept in priv_rx_intr_vec_enable().
+		 * kept in mlx5_rx_intr_vec_enable().
 		rxq_data = (*priv->rxqs)[i];
 		rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
-		mlx5_rxq_ibv_release(rxq_ctrl->ibv);
+		if (rxq_ctrl->ibv)
+			mlx5_rxq_ibv_release(rxq_ctrl->ibv);