From cd98639f673d92836b6b5fd60279b411748f2f1e Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Fri, 18 Jul 2014 02:22:24 +0300 Subject: [PATCH] vhost-user: minor cleanups assert to verify cast does not discard information minor style fixup. Signed-off-by: Michael S. Tsirkin --- 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 3d2321865b..4e88d9c5e9 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;