fs: dlm: handle possible othercon writequeues

This patch adds free of possible other writequeue entries in othercon member of struct connection. Signed-off-by: Alexander Aring <[email protected]> Signed-off-by: David Teigland <[email protected]>
berg · Aug 27, 2020 · 948c47e · 948c47e
1 parent 0de9843
commit 948c47e
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
@@ -1608,11 +1608,13 @@ static void shutdown_conn(struct connection *con)
 static void free_conn(struct connection *con)
 {
 	close_connection(con, true, true, true);
-	if (con->othercon)
-		kfree_rcu(con->othercon, rcu);
 	spin_lock(&connections_lock);
 	hlist_del_rcu(&con->list);
 	spin_unlock(&connections_lock);
+	if (con->othercon) {
+		clean_one_writequeue(con->othercon);
+		kfree_rcu(con->othercon, rcu);
+	}
 	clean_one_writequeue(con);
 	kfree_rcu(con, rcu);
 }