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authorMarc-André Lureau <marcandre.lureau@redhat.com>2019-05-03 15:00:29 +0200
committerGerd Hoffmann <kraxel@redhat.com>2019-05-10 12:48:35 +0200
commitd288eef3a0a8ac46cc45808b50d73606476148b0 (patch)
treea86c744af8a25582a3aa4e8baeecf842b2be8c4e /contrib/libvhost-user
parent812b835fb4d23dd108b2f9802158472d50b73579 (diff)
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>
Diffstat (limited to 'contrib/libvhost-user')
-rw-r--r--contrib/libvhost-user/libvhost-user.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c
index e08d6c7b97..dcf4a969f2 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];