Re: [PATCH v2] vhost-vdpa :Fix Coverity CID 1430270 / CID 1420267

[Jason Wang <jasowang@redhat.com>]

On 2020/7/10 下午2:46, Cindy Lu wrote:
> In the function vhost_vdpa_dma_map/unmap, The struct msg was not initialized all its fields.
>
> Signed-off-by: Cindy Lu <lulu@redhat.com>


Acked-by: Jason Wang <jasowang@redhat.com>


> ---
>   hw/virtio/vhost-vdpa.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
> index a3d17fe0f9..b9265f3761 100644
> --- a/hw/virtio/vhost-vdpa.c
> +++ b/hw/virtio/vhost-vdpa.c
> @@ -38,7 +38,7 @@ static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section)
>   static int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size,
>                                 void *vaddr, bool readonly)
>   {
> -    struct vhost_msg_v2 msg;
> +    struct vhost_msg_v2 msg = {};
>       int fd = v->device_fd;
>       int ret = 0;
>   
> @@ -61,7 +61,7 @@ static int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size,
>   static int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, hwaddr iova,
>                                   hwaddr size)
>   {
> -    struct vhost_msg_v2 msg;
> +    struct vhost_msg_v2 msg = {};
>       int fd = v->device_fd;
>       int ret = 0;
>