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++];
Coverity issue: 140744
Fixes: e3b434818bbb ("net/virtio-user: support kernel vhost")
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
1e9057a97b