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Commit 264a0472 authored by Jens Axboe's avatar Jens Axboe
Browse files

bsg: add cheasy error checks for sysfs stuff 



Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 5309cb38

block/bsg.c

+10 −1
Original line number Diff line number Diff line
@@ -983,10 +983,19 @@ int bsg_register_disk(struct gendisk *disk) 
	bsg_device_nr++;

	bcd->disk = disk;

	bcd->class_dev = class_device_create(bsg_class, NULL, dev, bcd->dev, "%s", disk->disk_name);

	if (!bcd->class_dev)

		goto err;

	list_add_tail(&bcd->list, &bsg_class_list);

	sysfs_create_link(&q->kobj, &bcd->class_dev->kobj, "bsg");

	if (sysfs_create_link(&q->kobj, &bcd->class_dev->kobj, "bsg"))

		goto err;

	mutex_unlock(&bsg_mutex);

	return 0;

err:

	bsg_device_nr--;

	if (bcd->class_dev)

		class_device_destroy(bsg_class, MKDEV(BSG_MAJOR, bcd->minor));

	mutex_unlock(&bsg_mutex);

	return -ENOMEM;

}



static int __init bsg_init(void)