2007-12-17 12:01:35

by Borislav Petkov

[permalink] [raw]
Subject: [PATCH] drivers/cdrom/cdrom.c: simplify logic in cdrom_release()

---
From: Borislav Petkov <[email protected]>

Simplify logic in cdrom_release() without semantical change.

Signed-off-by: Borislav Petkov <[email protected]>

--

drivers/cdrom/cdrom.c | 17 +++++++++--------
1 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index af05610..037d4ec 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -1206,25 +1206,26 @@ int check_for_audio_disc(struct cdrom_device_info * cdi,
return 0;
}

-/* Admittedly, the logic below could be performed in a nicer way. */
int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
{
struct cdrom_device_ops *cdo = cdi->ops;
int opened_for_data;

- cdinfo(CD_CLOSE, "entering cdrom_release\n");
+ cdinfo(CD_CLOSE, "entering cdrom_release\n");

if (cdi->use_count > 0)
cdi->use_count--;
- if (cdi->use_count == 0)
+
+ if (cdi->use_count == 0) {
cdinfo(CD_CLOSE, "Use count for \"/dev/%s\" now zero\n", cdi->name);
- if (cdi->use_count == 0)
cdrom_dvd_rw_close_write(cdi);
- if (cdi->use_count == 0 &&
- (cdo->capability & CDC_LOCK) && !keeplocked) {
- cdinfo(CD_CLOSE, "Unlocking door!\n");
- cdo->lock_door(cdi, 0);
+
+ if ((cdo->capability & CDC_LOCK) && !keeplocked) {
+ cdinfo(CD_CLOSE, "Unlocking door!\n");
+ cdo->lock_door(cdi, 0);
+ }
}
+
opened_for_data = !(cdi->options & CDO_USE_FFLAGS) ||
!(fp && fp->f_flags & O_NONBLOCK);

--
Regards/Gru?,
Boris.