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vhost-vdpa: don't cleanup twice in vhost_vdpa_add()

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The previous vhost_net_cleanup is sufficient for freeing, calling
vhost_vdpa_del() in this case will lead an extra round of free. Note
that this kind of "double free" is safe since vhost_dev_cleanup() zero
the whole structure.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20210903091031.47303-8-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2021-09-03 17:10:17 +08:00 • committed by Michael S. Tsirkin
parent 9ff7a54bcf
commit f47a47e458
1 changed files with 0 additions and 11 deletions
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11
net/vhost-vdpa.c
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@ -81,16 +81,6 @@ static int vhost_vdpa_net_check_device_id(struct vhost_net *net)
return ret; return ret;
} }
static void vhost_vdpa_del(NetClientState *ncs)
{
VhostVDPAState *s;
assert(ncs->info->type == NET_CLIENT_DRIVER_VHOST_VDPA);
s = DO_UPCAST(VhostVDPAState, nc, ncs);
if (s->vhost_net) {
vhost_net_cleanup(s->vhost_net);
}
}
static int vhost_vdpa_add(NetClientState *ncs, void *be) static int vhost_vdpa_add(NetClientState *ncs, void *be)
{ {
VhostNetOptions options; VhostNetOptions options;
@ -121,7 +111,6 @@ err:
if (net) { if (net) {
vhost_net_cleanup(net); vhost_net_cleanup(net);
} }
vhost_vdpa_del(ncs);
return -1; return -1;
} }