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    Subject[PATCH] [DLM] Clear othercon pointers when a connection is closed
    Date
    From: Patrick Caulfield <pcaulfie@redhat.com>

    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>

    diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
    index dd36273..d15fd5f 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);
    --
    1.5.1.2
    -
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