From: Alexander Aring <aahringo@redhat.com>
Date: Thu, 27 Aug 2020 19:02:53 +0000 (-0400)
Subject: fs: dlm: handle possible othercon writequeues
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=948c47e9bcb6a42229cb1da1cc350c887a33ebb8;p=linux.git

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 <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 04afc7178afb1..794216eb728cc 100644
--- 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);
 }