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-rw-r--r--block/elevator.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 59794d0d38e3..84d63943f2de 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -35,11 +35,11 @@
#include <linux/hash.h>
#include <linux/uaccess.h>
#include <linux/pm_runtime.h>
+#include <linux/blk-cgroup.h>
#include <trace/events/block.h>
#include "blk.h"
-#include "blk-cgroup.h"
static DEFINE_SPINLOCK(elv_list_lock);
static LIST_HEAD(elv_list);
@@ -157,7 +157,7 @@ struct elevator_queue *elevator_alloc(struct request_queue *q,
eq = kzalloc_node(sizeof(*eq), GFP_KERNEL, q->node);
if (unlikely(!eq))
- goto err;
+ return NULL;
eq->type = e;
kobject_init(&eq->kobj, &elv_ktype);
@@ -165,10 +165,6 @@ struct elevator_queue *elevator_alloc(struct request_queue *q,
hash_init(eq->hash);
return eq;
-err:
- kfree(eq);
- elevator_put(e);
- return NULL;
}
EXPORT_SYMBOL(elevator_alloc);
@@ -810,6 +806,8 @@ int elv_register_queue(struct request_queue *q)
}
kobject_uevent(&e->kobj, KOBJ_ADD);
e->registered = 1;
+ if (e->type->ops.elevator_registered_fn)
+ e->type->ops.elevator_registered_fn(q);
}
return error;
}