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-rw-r--r--block/cfq-iosched.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index d02f0ae9637f..08db2fc70c29 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -4157,7 +4157,6 @@ static struct blkio_policy_type blkio_policy_cfq = {
.blkio_init_group_fn = cfq_init_blkio_group,
.blkio_reset_group_stats_fn = cfqg_stats_reset,
},
- .plid = BLKIO_POLICY_PROP,
.pdata_size = sizeof(struct cfq_group),
.cftypes = cfq_blkcg_files,
};
@@ -4181,27 +4180,31 @@ static int __init cfq_init(void)
#else
cfq_group_idle = 0;
#endif
+
+ ret = blkio_policy_register(&blkio_policy_cfq);
+ if (ret)
+ return ret;
+
cfq_pool = KMEM_CACHE(cfq_queue, 0);
if (!cfq_pool)
- return -ENOMEM;
+ goto err_pol_unreg;
ret = elv_register(&iosched_cfq);
- if (ret) {
- kmem_cache_destroy(cfq_pool);
- return ret;
- }
+ if (ret)
+ goto err_free_pool;
-#ifdef CONFIG_CFQ_GROUP_IOSCHED
- blkio_policy_register(&blkio_policy_cfq);
-#endif
return 0;
+
+err_free_pool:
+ kmem_cache_destroy(cfq_pool);
+err_pol_unreg:
+ blkio_policy_unregister(&blkio_policy_cfq);
+ return ret;
}
static void __exit cfq_exit(void)
{
-#ifdef CONFIG_CFQ_GROUP_IOSCHED
blkio_policy_unregister(&blkio_policy_cfq);
-#endif
elv_unregister(&iosched_cfq);
kmem_cache_destroy(cfq_pool);
}