[DLM] Clear othercon pointers when a connection is closed

This patch clears the othercon pointer and frees the memory when a connnection
is closed. This could cause a small memory leak when nodes leave the cluster.

Signed-Off-By: Patrick Caulfield <pcaulfie@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index dd362739d291..d15fd5f9f5c5 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -327,6 +327,8 @@ static void close_connection(struct connection *con, bool and_other)
         if (con->othercon && and_other) {
                 /* Will only re-enter once. */
                 close_connection(con->othercon, false);
+                kmem_cache_free(con_cache, con->othercon);
+                con->othercon = NULL;
         }
         if (con->rx_page) {
                 __free_page(con->rx_page);