Commit 87a57261 authored by Randy Dunlap's avatar Randy Dunlap Committed by Linus Torvalds
Browse files

[PATCH] block: handle subsystem_register() init errors 



Check and handle init errors.

Signed-off-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 4d7dd8fd

block/genhd.c

+7 −2
Original line number Diff line number Diff line
@@ -295,10 +295,15 @@ static struct kobject *base_probe(dev_t dev, int *part, void *data) 


static int __init genhd_device_init(void)

{

	int err;



	bdev_map = kobj_map_init(base_probe, &block_subsys_lock);

	blk_dev_init();

	subsystem_register(&block_subsys);

	return 0;

	err = subsystem_register(&block_subsys);

	if (err < 0)

		printk(KERN_WARNING "%s: subsystem_register error: %d\n",

			__FUNCTION__, err);

	return err;

}



subsys_initcall(genhd_device_init);