[dpdk-dev] [PATCH] net/iavf: fix unchecked return value
Ferruh Yigit
ferruh.yigit at intel.com
Wed Oct 14 14:41:24 CEST 2020
On 10/14/2020 9:28 AM, Leyi Rong wrote:
> Fixes coverity unchecked return value issue.
>
> Coverity issue: 363045
> Fixes: 02d212ca3125 ("net/iavf: rename remaining avf strings")
>
Hi Leyi,
Can you please put some justification to the commit log, why return value can be
ignored instead of handling it?
Technically this patch doesn't put you in a better place, still you are not
checking the return value, indeed it is worse since it is silenced and even
coverity can't warn you anymore.
> Signed-off-by: Leyi Rong <leyi.rong at intel.com>
> ---
> drivers/net/iavf/iavf_rxtx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
> index 7e6e425ac..ca0f5d072 100644
> --- a/drivers/net/iavf/iavf_rxtx.c
> +++ b/drivers/net/iavf/iavf_rxtx.c
> @@ -2077,7 +2077,7 @@ iavf_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
>
> /* Check if the descriptor ring needs to be cleaned. */
> if (txq->nb_free < txq->free_thresh)
> - iavf_xmit_cleanup(txq);
> + (void)iavf_xmit_cleanup(txq);
>
> for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
> td_cmd = 0;
>
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