[PATCH 04/13] net/idpf: add queue operations

[Stephen Hemminger]

On Wed,  3 Aug 2022 19:30:55 +0800
Junfeng Guo <junfeng.guo at intel.com> wrote:

> +static void
> +idpf_tx_queue_release(void *txq)
> +{
> +	struct idpf_tx_queue *q = (struct idpf_tx_queue *)txq;
> +
> +	if (!q)
> +		return;
> +
> +	if (q->complq)
> +		rte_free(q->complq);

null pointer check before calling rte_free is unnecessary.
rte_free(NULL) works.

There is even a script used to scan DPDK to fix this.
   devtools/cocci/nullfree.cocci