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Subject[PATCH] cdrom_open() forgets to unlock on -EROFS failure exits
From
Date

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
drivers/cdrom/cdrom.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 67ee3d4..7924571 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -1032,6 +1032,10 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
check_disk_change(ip->i_bdev);
return 0;
err_release:
+ if (CDROM_CAN(CDC_LOCK) && cdi->options & CDO_LOCK) {
+ cdi->ops->lock_door(cdi, 0);
+ cdinfo(CD_OPEN, "door unlocked.\n");
+ }
cdi->ops->release(cdi);
err:
cdi->use_count--;
--
1.5.3.GIT

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