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[PATCH] pktcdvd: Don't unlock the door if the disc is in use 

Unlocking the door when the disc is in use is obviously not good, because then
it's possible to eject the disc at the wrong time and cause severe disc data
corruption.

Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Peter Osterlund 2006-02-14 13:52:56 -08:00 committed by Linus Torvalds
parent 01fd9fda2c
commit 948423e5cc
1 changed files with 2 additions and 1 deletions
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3
drivers/block/pktcdvd.c
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@ -2435,7 +2435,8 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
* The door gets locked when the device is opened, so we
* have to unlock it or else the eject command fails.
*/
pkt_lock_door(pd, 0);
if (pd->refcnt == 1)
pkt_lock_door(pd, 0);
return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
default: