diff options
Diffstat (limited to 'block/blk-throttle.c')
| -rw-r--r-- | block/blk-throttle.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 52a429397d3b..fe6a442b8482 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c | |||
| @@ -169,6 +169,9 @@ static void throtl_put_tg(struct throtl_grp *tg) | |||
| 169 | if (!atomic_dec_and_test(&tg->ref)) | 169 | if (!atomic_dec_and_test(&tg->ref)) |
| 170 | return; | 170 | return; |
| 171 | 171 | ||
| 172 | /* release the extra blkcg reference this blkg has been holding */ | ||
| 173 | css_put(&tg->blkg.blkcg->css); | ||
| 174 | |||
| 172 | /* | 175 | /* |
| 173 | * A group is freed in rcu manner. But having an rcu lock does not | 176 | * A group is freed in rcu manner. But having an rcu lock does not |
| 174 | * mean that one can access all the fields of blkg and assume these | 177 | * mean that one can access all the fields of blkg and assume these |