bsg-lib: add module.h include

[platform/kernel/linux-rpi.git] / block / cfq-iosched.c

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 1f96ad6..6508345 100644 (file)
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1209,6 +1209,9 @@ static void cfq_destroy_cfqg(struct cfq_data *cfqd, struct cfq_group *cfqg)
 
        hlist_del_init(&cfqg->cfqd_node);
 
+       BUG_ON(cfqd->nr_blkcg_linked_grps <= 0);
+       cfqd->nr_blkcg_linked_grps--;
+
        /*
         * Put the reference taken at the time of creation so that when all
         * queues are gone, group can be destroyed.