diff mbox series

[v2,1/2] baseband/acc: fix check after deref and dead code

Message ID 20230208020001.181055-2-hernan.vargas@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Maxime Coquelin
Headers
Series DPDK Coverity issue 381631, 381646 |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Vargas, Hernan Feb. 8, 2023, 2 a.m. UTC 
  Fix potential issue of dereferencing a pointer before null check.
Remove null check for value that could never be null.

Coverity issue: 381646, 381631
Fixes: 989dec301a9 ("baseband/acc100: add ring companion address")
Cc: stable@dpdk.org

Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
---
 drivers/baseband/acc/rte_acc100_pmd.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Maxime Coquelin Feb. 20, 2023, 3:37 p.m. UTC | #1 
On 2/8/23 03:00, Hernan Vargas wrote:
> Fix potential issue of dereferencing a pointer before null check.
> Remove null check for value that could never be null.
> 
> Coverity issue: 381646, 381631
> Fixes: 989dec301a9 ("baseband/acc100: add ring companion address")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
> ---
>   drivers/baseband/acc/rte_acc100_pmd.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
> index 36f6fec5ad..baab459436 100644
> --- a/drivers/baseband/acc/rte_acc100_pmd.c
> +++ b/drivers/baseband/acc/rte_acc100_pmd.c
> @@ -4106,8 +4106,6 @@ acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
>   	int ret, cbm;
>   	struct rte_bbdev_enc_op *op;
>   
> -	if (q == NULL)
> -		return 0;
>   #ifdef RTE_LIBRTE_BBDEV_DEBUG
>   	if (unlikely(ops == 0))
>   		return 0;

Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime
diff mbox series

Patch

diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index 36f6fec5ad..baab459436 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -4106,8 +4106,6 @@  acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
 	int ret, cbm;
 	struct rte_bbdev_enc_op *op;
 
-	if (q == NULL)
-		return 0;
 #ifdef RTE_LIBRTE_BBDEV_DEBUG
 	if (unlikely(ops == 0))
 		return 0;