assert to verify cast does not discard information
minor style fixup.
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
hw/virtio/vhost-user.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 3d23218..4e88d9c 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -217,7 +217,9 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned
long int request,
for (i = 0; i < dev->mem->nregions; ++i) {
struct vhost_memory_region *reg = dev->mem->regions + i;
ram_addr_t ram_addr;
- qemu_ram_addr_from_host((void *)reg->userspace_addr, &ram_addr);
+
+ assert((uintptr_t)reg->userspace_addr == reg->userspace_addr);
+ qemu_ram_addr_from_host((void *)(uintptr_t)reg->userspace_addr,
&ram_addr);
fd = qemu_get_ram_fd(ram_addr);
if (fd > 0) {
msg.memory.regions[fd_num].userspace_addr =
reg->userspace_addr;
--
MST
