MBX_2 contains the number of bytes required for the buffer, but
qla2x00_mailbox_command() doesn't request MBX_2 from the firmware.
Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
[ bvanassche: edited commit message ]
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7839 d57e44dd-8a1f-0410-8b47-8ef2f437770f