Re: [dpdk-dev] [PATCH 1/4] vhost: fix uninitialized vhost queue

[Maxime Coquelin <maxime.coquelin@redhat.com>]

On 3/17/21 1:56 PM, Jiayu Hu wrote:
> This patch allocates vhost queue by rte_zmalloc() to avoid
> undefined values.
> 
> Fixes: 8acd7c213353 ("vhost: fix virtqueues metadata allocation")

This is not the right commit. rte_malloc was used prior to it.

> Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
> ---
>  lib/librte_vhost/vhost.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
> index 52ab93d..f6fd001 100644
> --- a/lib/librte_vhost/vhost.c
> +++ b/lib/librte_vhost/vhost.c
> @@ -598,7 +598,7 @@ alloc_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
>  		if (dev->virtqueue[i])
>  			continue;
>  
> -		vq = rte_malloc(NULL, sizeof(struct vhost_virtqueue), 0);
> +		vq = rte_zmalloc(NULL, sizeof(struct vhost_virtqueue), 0);
>  		if (vq == NULL) {
>  			VHOST_LOG_CONFIG(ERR,
>  				"Failed to allocate memory for vring:%u.\n", i);
>