[dm-devel] possible bug in device-mapper

[Yaroslav Popovitch]

if option <sector count> is equal to 0, then dmsetup 
reports about error, but still creates device.

Useful output:
	[root at deimos yp]# echo 0 0 crypt aes-plain 4e1243bd22c66e76c2ba9eddc1f91394 0 /dev/loop0 0|dmsetup create volume1
	device-mapper ioctl cmd 9 failed: Invalid argument
	Command failed
	[root at deimos yp]# echo $?
	1
	[root at deimos yp]# dmsetup ls
	volume1 (254, 0)
	[root at deimos yp]# dmsetup mknodes
	[root at deimos yp]# lsmod /dev/mapper/
	control volume1

Configuration:
	device-mapper-1.00.08
	Linux kernel 2.6.4

Cheers,YP
-- 
Mr. Yaroslav Popovitch 
Software Developer

SOT Finnish Software Engineering Ltd.
Kreutzwaldi 7-4, 10124, Tallinn, Estonia

Phone:  +372 641 9975
Fax:    +372 641 9876

http://www.sot.com
Yaroslav.Popovitch at sot.com