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authorPeter Osterlund <petero2@telia.com>2006-02-14 13:52:56 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-14 16:09:33 -0800
commit948423e5ccc33bc257384ad4b339214c577bc926 (patch)
treefca922bbce34cf69c561b34bb40c796cd982ae27
parent01fd9fda2ce462b44bafdac2fe6aacacf23531f2 (diff)
[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>
-rw-r--r--drivers/block/pktcdvd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index edf6bf29002..89d8fe014ef 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -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: