[PATCH] blktrace: remember to initialize mutex

diff --git a/blktrace.c b/blktrace.c
index 337f142631ce721a1077b5fbfa48f58074b375c4..992b4eb9af988005aeb6e1b41f9468b0ca42f296 100644 (file)
--- a/blktrace.c
+++ b/blktrace.c
@@ -557,6 +557,7 @@ static int start_threads(struct device_information *dip)
                tip->cpu = j;
                tip->device = dip;
                tip->events_processed = 0;
+               pthread_mutex_init(&tip->lock, NULL);
                INIT_LIST_HEAD(&tip->subbuf_list);
                tip->leftover_ts = NULL;