Re: [dpdk-dev] [PATCH v4] Fixes following error on gcc 4.4.7:

["De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>]

> -----Original Message-----
> From: Xie, Huawei
> Sent: Wednesday, December 09, 2015 1:29 PM
> To: De Lara Guarch, Pablo; dev@dpdk.org
> Cc: yuanhan.liu@linux.intel.com
> Subject: Re: [PATCH v4] Fixes following error on gcc 4.4.7:
> 
> On 12/9/2015 8:20 PM, De Lara Guarch, Pablo wrote:
> > make: Entering directory `/tmp/dpdk-tmp/examples/vhost'
> >   CC main.o
> [...]
> > -	rte_ring_sc_dequeue(vpool->ring, (void **)&mbuf);
> > +	rte_ring_sc_dequeue(vpool->ring, (void *)mbuf);
> Here we are expecting the address of &mbuf, not mbuf, which is NULL.
> >  	if (unlikely(mbuf == NULL)) {
> >  		LOG_DEBUG(VHOST_DATA,
> >  			"(%"PRIu64") in attach_rxmbuf_zcp: "
> > @@ -1801,7 +1801,7 @@ virtio_tx_route_zcp(struct virtio_net *dev,
> struct rte_mbuf *m,
> >
> >  	/* Allocate an mbuf and populate the structure. */
> >  	vpool = &vpool_array[MAX_QUEUES + vmdq_rx_q];
> > -	rte_ring_sc_dequeue(vpool->ring, (void **)&mbuf);
> > +	rte_ring_sc_dequeue(vpool->ring, (void *)mbuf);
> Same as above.
> >  	if (unlikely(mbuf == NULL)) {
> >  		struct vhost_virtqueue *vq = dev->virtqueue[VIRTIO_TXQ];
> >  		RTE_LOG(ERR, VHOST_DATA,

Right, I will revert to v3 (and fix the title as well, sorry about that).