bridge: Avoid memory leak from RSPAN mirrors in bridge_destroy().

Mirrors that output to ports will be destroyed when their output ports are
destroyed, but mirrors that output to VLANs ("RSPAN" mirrors) don't get
automatically destroyed like this and we need to take care of them in a
separate loop.

diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c
index f5918be..2b8b248 100644 (file)
--- a/vswitchd/bridge.c
+++ b/vswitchd/bridge.c
@@ -1696,10 +1696,14 @@ bridge_destroy(struct bridge *br)
     if (br) {
         struct port *port, *next;
         int error;
+        int i;
 
         HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
             port_destroy(port);
         }
+        for (i = 0; i < MAX_MIRRORS; i++) {
+            mirror_destroy(br->mirrors[i]);
+        }
         list_remove(&br->node);
         ofproto_destroy(br->ofproto);
         error = dpif_delete(br->dpif);