From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Xie, Huawei" <huawei.xie@intel.com>
Subject: Re: [PATCH v4] Fixes following error on gcc 4.4.7:
Date: Wed, 9 Dec 2015 13:28:40 +0000
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 <1449663630-83289-1-git-send-email-pablo.de.lara.guarch@intel.com>
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To: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>, "dev@dpdk.org"
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On 12/9/2015 8:20 PM, De Lara Guarch, Pablo wrote:=0A=
> make: Entering directory `/tmp/dpdk-tmp/examples/vhost'=0A=
>   CC main.o=0A=
[...]=0A=
> -	rte_ring_sc_dequeue(vpool->ring, (void **)&mbuf);=0A=
> +	rte_ring_sc_dequeue(vpool->ring, (void *)mbuf);=0A=
Here we are expecting the address of &mbuf, not mbuf, which is NULL.=0A=
>  	if (unlikely(mbuf =3D=3D NULL)) {=0A=
>  		LOG_DEBUG(VHOST_DATA,=0A=
>  			"(%"PRIu64") in attach_rxmbuf_zcp: "=0A=
> @@ -1801,7 +1801,7 @@ virtio_tx_route_zcp(struct virtio_net *dev, struct =
rte_mbuf *m,=0A=
>  =0A=
>  	/* Allocate an mbuf and populate the structure. */=0A=
>  	vpool =3D &vpool_array[MAX_QUEUES + vmdq_rx_q];=0A=
> -	rte_ring_sc_dequeue(vpool->ring, (void **)&mbuf);=0A=
> +	rte_ring_sc_dequeue(vpool->ring, (void *)mbuf);=0A=
Same as above.=0A=
>  	if (unlikely(mbuf =3D=3D NULL)) {=0A=
>  		struct vhost_virtqueue *vq =3D dev->virtqueue[VIRTIO_TXQ];=0A=
>  		RTE_LOG(ERR, VHOST_DATA,=0A=
=0A=