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libvhost-user: fix -Waddress-of-packed-member 

/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>
This commit is contained in:
Marc-André Lureau 2019-05-03 15:00:29 +02:00 committed by Gerd Hoffmann
parent 812b835fb4
commit d288eef3a0
1 changed files with 3 additions and 3 deletions
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6
contrib/libvhost-user/libvhost-user.c
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@ -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];