commit 454d6fbc48374be8f53b9bafaa86530cf8eb3bc1
Author: Jens Axboe <axboe@suse.de>
Date:   Mon Jul 10 04:44:08 2006 -0700

    [PATCH] cdrom: fix bad cgc.buflen assignment
    
    The code really means to mask off the high bits, not assign 0xff.
    
    Signed-off-by: Jens Axboe <axboe@suse.de>
    Cc: Marcus Meissner <meissner@suse.de>
    Cc: <stable@kernel.org>
    Signed-off-by: Andrew Morton <akpm@osdl.org>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index ca27ee8..d239cf8 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -1837,7 +1837,7 @@ static int dvd_read_bca(struct cdrom_device_info *cdi, dvd_struct *s)
 	init_cdrom_command(&cgc, buf, sizeof(buf), CGC_DATA_READ);
 	cgc.cmd[0] = GPCMD_READ_DVD_STRUCTURE;
 	cgc.cmd[7] = s->type;
-	cgc.cmd[9] = cgc.buflen = 0xff;
+	cgc.cmd[9] = cgc.buflen & 0xff;
 
 	if ((ret = cdo->generic_packet(cdi, &cgc)))
 		return ret;