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authorMichael S. Tsirkin <mst@redhat.com>2014-11-02 20:00:28 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-11-03 18:32:48 +0200
commitd3f16ec887bb58b19eac94fcae139a39a7933e15 (patch)
tree04cbb3af6b7f84e228cf27c4b63ab0b31da4e2b9
parentac369a77967d5dd984a5430505eaf24a380af1c0 (diff)
vhost-user: fix mmap offset calculation
qemu_get_ram_block_host_ptr should get ram_addr_t, vhost-user passes in GPA. That's very wrong. Reported-by: Linhaifeng <haifeng.lin@huawei.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--hw/virtio/vhost-user.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 4e88d9c5e9..aefe0bbaaf 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -226,7 +226,7 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
msg.memory.regions[fd_num].memory_size = reg->memory_size;
msg.memory.regions[fd_num].guest_phys_addr = reg->guest_phys_addr;
msg.memory.regions[fd_num].mmap_offset = reg->userspace_addr -
- (uintptr_t) qemu_get_ram_block_host_ptr(reg->guest_phys_addr);
+ (uintptr_t) qemu_get_ram_block_host_ptr(ram_addr);
assert(fd_num < VHOST_MEMORY_MAX_NREGIONS);
fds[fd_num++] = fd;
}