diff --git a/net.c b/net.c
index c581dcc087..c61f66b76c 100644
--- a/net.c
+++ b/net.c
@@ -366,6 +366,19 @@ void qemu_del_vlan_client(VLANClientState *vc)
             pvc = &(*pvc)->next;
 }
 
+VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque)
+{
+    VLANClientState **pvc = &vlan->first_client;
+
+    while (*pvc != NULL)
+        if ((*pvc)->opaque == opaque)
+            return *pvc;
+        else
+            pvc = &(*pvc)->next;
+
+    return NULL;
+}
+
 int qemu_can_send_packet(VLANClientState *vc1)
 {
     VLANState *vlan = vc1->vlan;
@@ -1713,6 +1726,14 @@ int net_client_init(const char *device, const char *p)
     return ret;
 }
 
+void net_client_uninit(NICInfo *nd)
+{
+    nd->vlan->nb_guest_devs--;
+    nb_nics--;
+    nd->used = 0;
+    free((void *)nd->model);
+}
+
 int net_client_parse(const char *str)
 {
     const char *p;
diff --git a/net.h b/net.h
index 6ddd06fa1a..a982394ee7 100644
--- a/net.h
+++ b/net.h
@@ -42,6 +42,7 @@ VLANClientState *qemu_new_vlan_client(VLANState *vlan,
                                       IOCanRWHandler *fd_can_read,
                                       void *opaque);
 void qemu_del_vlan_client(VLANClientState *vc);
+VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
 int qemu_can_send_packet(VLANClientState *vc);
 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
                           int iovcnt);
@@ -94,6 +95,7 @@ void net_checksum_calculate(uint8_t *data, int length);
 
 /* from net.c */
 int net_client_init(const char *device, const char *p);
+void net_client_uninit(NICInfo *nd);
 int net_client_parse(const char *str);
 void net_slirp_smb(const char *exported_dir);
 void net_slirp_redir(const char *redir_str);