mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

vhost-user-i2c: Back up vqs before cleaning up vhost_dev

Browse Source 
vhost_dev_cleanup() clears vhost_dev so back up its vqs member to free
the memory pointed by the member.

Fixes: 7221d3b634 ("hw/virtio: add boilerplate for vhost-user-i2c device")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20230130140435.78049-1-akihiko.odaki@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 0126793bee)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Akihiko Odaki 2023-01-30 23:04:35 +09:00 committed by Michael Tokarev
parent fd4bf2632c
commit b5be595c62
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
hw/virtio/vhost-user-i2c.c
View File

@ -143,8 +143,6 @@ static void do_vhost_user_cleanup(VirtIODevice *vdev, VHostUserI2C *i2c)
vhost_user_cleanup(&i2c->vhost_user);
virtio_delete_queue(i2c->vq);
virtio_cleanup(vdev);
g_free(i2c->vhost_dev.vqs);
i2c->vhost_dev.vqs = NULL;
}
static int vu_i2c_connect(DeviceState *dev)
@ -228,6 +226,7 @@ static void vu_i2c_device_realize(DeviceState *dev, Error **errp)
ret = vhost_dev_init(&i2c->vhost_dev, &i2c->vhost_user,
VHOST_BACKEND_TYPE_USER, 0, errp);
if (ret < 0) {
g_free(i2c->vhost_dev.vqs);
do_vhost_user_cleanup(vdev, i2c);
}
@ -239,10 +238,12 @@ static void vu_i2c_device_unrealize(DeviceState *dev)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VHostUserI2C *i2c = VHOST_USER_I2C(dev);
struct vhost_virtqueue *vhost_vqs = i2c->vhost_dev.vqs;
/* This will stop vhost backend if appropriate. */
vu_i2c_set_status(vdev, 0);
vhost_dev_cleanup(&i2c->vhost_dev);
g_free(vhost_vqs);
do_vhost_user_cleanup(vdev, i2c);
}