eject: add verbosity to cdrom door lock error

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/sys-utils/eject.c b/sys-utils/eject.c
index 2114780a38b693185208951c779a3d79b7507a4d..4f7d6e6514d817e9cdae120fc1f31cbf353e7ac0 100644 (file)
--- a/sys-utils/eject.c
+++ b/sys-utils/eject.c
@@ -335,20 +335,23 @@ static void auto_eject(const struct eject_control *ctl)
 }
 
 /*
- * Stops CDROM from opening on manual eject pressing the button.
+ * Stops CDROM from opening on manual eject button press.
  * This can be useful when you carry your laptop
  * in your bag while it's on and no CD inserted in it's drive.
  * Implemented as found in Documentation/ioctl/cdrom.txt
- *
- * TODO: Maybe we should check this also:
- * EDRIVE_CANT_DO_THIS   Door lock function not supported.
- * EBUSY                 Attempt to unlock when multiple users
- *                       have the drive open and not CAP_SYS_ADMIN
  */
 static void manual_eject(const struct eject_control *ctl)
 {
-       if (ioctl(ctl->fd, CDROM_LOCKDOOR, ctl->i_arg) < 0)
-               err(EXIT_FAILURE, _("CD-ROM lock door command failed"));
+       if (ioctl(ctl->fd, CDROM_LOCKDOOR, ctl->i_arg) < 0) {
+               switch (errno) {
+               case EDRIVE_CANT_DO_THIS:
+                       errx(EXIT_FAILURE, _("CD-ROM door lock is not supported"));
+               case EBUSY:
+                       errx(EXIT_FAILURE, _("other users have the drive open and not CAP_SYS_ADMIN"));
+               default:
+                       err(EXIT_FAILURE, _("CD-ROM lock door command failed"));
+               }
+       }
 
        if (ctl->i_arg)
                info(_("CD-Drive may NOT be ejected with device button"));