Description of Problem:
/etc/rc.sysinit ignores /etc/sysconfig/harddisk* if it's media is cdrom.

Version-Release number of selected component (if applicable):


How Reproducible:
It is found when trying to configure ATAPI CDROM

Steps to Reproduce:
for example, /dev/hdc is ATAPA CDROM and want to make cdrom PIO mode.

1. copy /etc/sysconfig/harddisks to /etc/sysconfig/harddiskhdc
2. rewrite harddiskhdc

USE_DMA=0

3. reboot machine
4. show the result of /sbin/hdparm /dev/hdc

 using_dma    =  1 (on)

Actual Results:
Values described in harddisk* is not enabled

Expected Results:

rc.sysinit can't configure ATAPI CDROM

Additional Information:

It is ok if rc.sysinit detects cdrom.

rc.sysinit at 385
before              if [ "$hdmedia" = "disk" ]; then
---
fixed              if [ "$hdmedia" = "disk" -o "$hdmedia" = "cdrom" ]; then