| Submitter | Simon Arlott |
|---|---|
| Date | Jan. 31, 2011, 6:26 p.m. |
| Message ID | <4D46FEDE.7060909@simon.arlott.org.uk> |
| Download | mbox | patch |
| Permalink | /patch/81204/ |
| State | Not Applicable |
| Delegated to: | David Miller |
| Headers | show |
Comments
Patch
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 14033a3..e2c48a7 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -409,7 +409,8 @@ int register_cdrom(struct cdrom_device_info *cdi) } ENSURE(drive_status, CDC_DRIVE_STATUS ); - ENSURE(media_changed, CDC_MEDIA_CHANGED); + if (cdo->check_events == NULL && cdo->media_changed == NULL) + *change_capability = ~(CDC_MEDIA_CHANGED | CDC_SELECT_DISC); ENSURE(tray_move, CDC_CLOSE_TRAY | CDC_OPEN_TRAY); ENSURE(lock_door, CDC_LOCK); ENSURE(select_speed, CDC_SELECT_SPEED);
Commit 93aae17af1172c40c6f74b7294e93a90c3cfaa5d ("sr: implement sr_check_events()") replaced the media_changed op with the check_events op in drivers/scsi/sr.c All users that check for the CDC_MEDIA_CHANGED capbility try both the check_events op and the media_changed op, but register_cdrom() was requiring media_changed. This patch fixes the capability checking. The cdrom_select_disc ioctl is also using the two operations, so they should be required for CDC_SELECT_DISC too. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: Tejun Heo <tj@kernel.org> Cc: Kay Sievers <kay.sievers@vrfy.org> --- drivers/cdrom/cdrom.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)