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-rw-r--r--fs/dlm/lowcomms.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 114ebfe30929..3951d39b9b75 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1628,8 +1628,10 @@ static void clean_writequeues(void)
static void work_stop(void)
{
- destroy_workqueue(recv_workqueue);
- destroy_workqueue(send_workqueue);
+ if (recv_workqueue)
+ destroy_workqueue(recv_workqueue);
+ if (send_workqueue)
+ destroy_workqueue(send_workqueue);
}
static int work_start(void)
@@ -1689,13 +1691,17 @@ static void work_flush(void)
struct hlist_node *n;
struct connection *con;
- flush_workqueue(recv_workqueue);
- flush_workqueue(send_workqueue);
+ if (recv_workqueue)
+ flush_workqueue(recv_workqueue);
+ if (send_workqueue)
+ flush_workqueue(send_workqueue);
do {
ok = 1;
foreach_conn(stop_conn);
- flush_workqueue(recv_workqueue);
- flush_workqueue(send_workqueue);
+ if (recv_workqueue)
+ flush_workqueue(recv_workqueue);
+ if (send_workqueue)
+ flush_workqueue(send_workqueue);
for (i = 0; i < CONN_HASH_SIZE && ok; i++) {
hlist_for_each_entry_safe(con, n,
&connection_hash[i], list) {