[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 1/6] libvhost-user: fix -Waddress-of-packed-member
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH 1/6] libvhost-user: fix -Waddress-of-packed-member |
Date: |
Fri, 26 Apr 2019 12:24:32 +0200 |
/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 <address@hidden>
---
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 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];
--
2.21.0.313.ge35b8cb8e2
- [Qemu-devel] [PATCH 0/6] Add vhost-user-input, Marc-André Lureau, 2019/04/26
- [Qemu-devel] [PATCH 1/6] libvhost-user: fix -Waddress-of-packed-member,
Marc-André Lureau <=
- [Qemu-devel] [PATCH 2/6] libvhost-user: add PROTOCOL_F_CONFIG if {set, get}_config, Marc-André Lureau, 2019/04/26
- [Qemu-devel] [PATCH 3/6] Add vhost-user-backend, Marc-André Lureau, 2019/04/26
- [Qemu-devel] [PATCH 5/6] util: simplify unix_listen(), Marc-André Lureau, 2019/04/26
- [Qemu-devel] [PATCH 4/6] Add vhost-user-input-pci, Marc-André Lureau, 2019/04/26
- [Qemu-devel] [PATCH 6/6] contrib: add vhost-user-input, Marc-André Lureau, 2019/04/26