[PATCH v2] net/idpf: fix crash when launching l3fwd

[Xing, Beilei]

> -----Original Message-----
> From: Wu, Jingjing <jingjing.wu at intel.com>
> Sent: Friday, November 18, 2022 2:24 PM
> To: Xing, Beilei <beilei.xing at intel.com>
> Cc: dev at dpdk.org; Peng, Yuan <yuan.peng at intel.com>
> Subject: RE: [PATCH v2] net/idpf: fix crash when launching l3fwd
> 
> > -
> >  	if (conf->txmode.mq_mode != RTE_ETH_MQ_TX_NONE) {
> >  		PMD_INIT_LOG(ERR, "Multi-queue TX mode %d is not
> supported",
> >  			     conf->txmode.mq_mode);
> > diff --git a/drivers/net/idpf/idpf_vchnl.c
> > b/drivers/net/idpf/idpf_vchnl.c index ac6486d4ef..88770447f8 100644
> > --- a/drivers/net/idpf/idpf_vchnl.c
> > +++ b/drivers/net/idpf/idpf_vchnl.c
> > @@ -1197,6 +1197,9 @@ idpf_vc_dealloc_vectors(struct idpf_vport *vport)
> >  	int err, len;
> >
> >  	alloc_vec = vport->recv_vectors;
> > +	if (alloc_vec == NULL)
> > +		return -EINVAL;
> > +
> Would it be better to check before idpf_vc_dealloc_vectors?
Make sense, will update in next version.