Commit df468820 authored Jul 21, 2007 by FUJITA Tomonori Committed by James Bottomley Jul 21, 2007

[SCSI] bsg: fix bsg_unregister_queue

scsi_sysfs_add_sdev ignores the bsg_register_queue failure, so
bsg_unregister_queue must check whether the queue has a bsg device.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

parent 39dca558

block/bsg.c

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -932,7 +932,8 @@ void bsg_unregister_queue(struct request_queue *q)
	{		{
	struct bsg_class_device *bcd = &q->bsg_dev;		struct bsg_class_device *bcd = &q->bsg_dev;

	WARN_ON(!bcd->class_dev);		if (!bcd->class_dev)
			return;

	mutex_lock(&bsg_mutex);		mutex_lock(&bsg_mutex);
	sysfs_remove_link(&q->kobj, "bsg");		sysfs_remove_link(&q->kobj, "bsg");