cdrom: replace hard-coded constants by kernel.h macro.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index f50f04bdbc166ab1df21c60ef67760aaae942236..2b641b176e7f2c51708d0d99b91f5daf41be2549 100644 (file)
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -414,8 +414,8 @@ struct cdrom_generic_command
 #define CDO_CHECK_TYPE         0x10    /* check type on open for data */
 
 /* Special codes used when specifying changer slots. */
-#define CDSL_NONE              ((int) (~0U>>1)-1)
-#define CDSL_CURRENT           ((int) (~0U>>1))
+#define CDSL_NONE              (INT_MAX-1)
+#define CDSL_CURRENT           INT_MAX
 
 /* For partition based multisession access. IDE can handle 64 partitions
  * per drive - SCSI CD-ROM's use minors to differentiate between the