[dpdk-dev] [PATCH] net/virtio-user: check value returned from malloc

[Yuanhan Liu]

On Thu, Jan 26, 2017 at 03:05:42AM +0000, Jianfeng Tan wrote:
> Value returned from malloc is not checked for errors before being used.
> This patch fixes following coverity issue.
> 
>     static struct vhost_memory_kernel *
>     prepare_vhost_memory_kernel(void)
>     {
>         ...
>         vm = malloc(sizeof(struct vhost_memory_kernel) +
>                     max_regions *
>                     sizeof(struct vhost_memory_region));
>         ...
>     >>>     CID 140744:    (NULL_RETURNS)
>     >>>     Dereferencing a null pointer "vm".
>                 mr = &vm->regions[k++];
> 
> Fixes: e3b434818bbb ("net/virtio-user: support kernel vhost")
> Coverity issue: 140744
> 
> Signed-off-by: Jianfeng Tan <jianfeng.tan at intel.com>

Applied to dpdk-next-virtio.

	--yliu