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[PATCH-for-5.2] hw/virtio/vhost-vdpa: Fix Coverity CID 1432864
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH-for-5.2] hw/virtio/vhost-vdpa: Fix Coverity CID 1432864 |
Date: |
Wed, 28 Oct 2020 16:40:04 +0100 |
Fix uninitialized value issues reported by Coverity:
Field 'msg.reserved' is uninitialized when calling write().
Fixes: a5bd05800f8 ("vhost-vdpa: batch updating IOTLB mappings")
Reported-by: Coverity (CID 1432864: UNINIT)
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
Cc: Cindy Lu <lulu@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
---
hw/virtio/vhost-vdpa.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 4f1039910af..01d2101d097 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -90,7 +90,7 @@ static void vhost_vdpa_listener_begin(MemoryListener
*listener)
{
struct vhost_vdpa *v = container_of(listener, struct vhost_vdpa, listener);
struct vhost_dev *dev = v->dev;
- struct vhost_msg_v2 msg;
+ struct vhost_msg_v2 msg = {};
int fd = v->device_fd;
if (!(dev->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH))) {
@@ -110,7 +110,7 @@ static void vhost_vdpa_listener_commit(MemoryListener
*listener)
{
struct vhost_vdpa *v = container_of(listener, struct vhost_vdpa, listener);
struct vhost_dev *dev = v->dev;
- struct vhost_msg_v2 msg;
+ struct vhost_msg_v2 msg = {};
int fd = v->device_fd;
if (!(dev->backend_cap & (0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH))) {
--
2.26.2
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