From: Marc-André Lureau <marcandre.lureau@redhat.com>
/home/elmarco/src/qemu/contrib/libvhost-user/libvhost-user.c: In function ‘vu_set_mem_table_exec_postcopy’:
/home/elmarco/src/qemu/contrib/libvhost-user/libvhost-user.c:546:31: warning: taking address of packed member of ‘struct VhostUserMsg’ may result in an unaligned pointer value [-Waddress-of-packed-member]
546 | VhostUserMemory *memory = &vmsg->payload.memory;
| ^~~~~~~~~~~~~~~~~~~~~
/home/elmarco/src/qemu/contrib/libvhost-user/libvhost-user.c: In function ‘vu_set_mem_table_exec’:
/home/elmarco/src/qemu/contrib/libvhost-user/libvhost-user.c:688:31: warning: taking address of packed member of ‘struct VhostUserMsg’ may result in an unaligned pointer value [-Waddress-of-packed-member]
688 | VhostUserMemory *memory = &vmsg->payload.memory;
| ^~~~~~~~~~~~~~~~~~~~~
/home/elmarco/src/qemu/contrib/libvhost-user/libvhost-user.c: In function ‘vu_set_vring_addr_exec’:
/home/elmarco/src/qemu/contrib/libvhost-user/libvhost-user.c:817:36: warning: taking address of packed member of ‘struct VhostUserMsg’ may result in an unaligned pointer value [-Waddress-of-packed-member]
817 | struct vhost_vring_addr *vra = &vmsg->payload.addr;
| ^~~~~~~~~~~~~~~~~~~
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190503130034.24916-2-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
contrib/libvhost-user/libvhost-user.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c
index e08d6c7b9741..dcf4a969f238 100644
--- a/contrib/libvhost-user/libvhost-user.c
+++ b/contrib/libvhost-user/libvhost-user.c
@@ -542,7 +542,7 @@ static bool
vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg *vmsg)
{
int i;
- VhostUserMemory *memory = &vmsg->payload.memory;
+ VhostUserMemory m = vmsg->payload.memory, *memory = &m;
dev->nregions = memory->nregions;
DPRINT("Nregions: %d\n", memory->nregions);
@@ -684,7 +684,7 @@ static bool
vu_set_mem_table_exec(VuDev *dev, VhostUserMsg *vmsg)
{
int i;
- VhostUserMemory *memory = &vmsg->payload.memory;
+ VhostUserMemory m = vmsg->payload.memory, *memory = &m;
for (i = 0; i < dev->nregions; i++) {
VuDevRegion *r = &dev->regions[i];
@@ -813,7 +813,7 @@ vu_set_vring_num_exec(VuDev *dev, VhostUserMsg *vmsg)
static bool
vu_set_vring_addr_exec(VuDev *dev, VhostUserMsg *vmsg)
{
- struct vhost_vring_addr *vra = &vmsg->payload.addr;
+ struct vhost_vring_addr addr = vmsg->payload.addr, *vra = &addr;
unsigned int index = vra->index;
VuVirtq *vq = &dev->vq[index];
--
2.18.1