Xen devel - Feb 2005 - [janitor] Small fix on devmem.c

Here''s a little patch to call iounmap() after ioremap() in read() and
write() to cleanup in case of error.

Regards

-- 
Yann Droneaud <ydroneaud@mandrakesoft.com>
Ingénieur Conseil
Mandrakesoft SA
http://mandrakesoft.com/