[patch 24/45] cdrom: fix bad cgc.buflen assignment

[Greg KH]

-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Jens Axboe <axboe@xxxxxxx>

The code really means to mask off the high bits, not assign 0xff.

Signed-off-by: Jens Axboe <axboe@xxxxxxx>
Cc: Marcus Meissner <meissner@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/cdrom/cdrom.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.17.4.orig/drivers/cdrom/cdrom.c
+++ linux-2.6.17.4/drivers/cdrom/cdrom.c
@@ -1838,7 +1838,7 @@ static int dvd_read_bca(struct cdrom_dev
 	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;

--
-
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