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From: Jens Axboe <axboe@suse.de>
Date: Mon, 10 Jul 2006 11:44:08 +0000 (-0700)
Subject: [PATCH] cdrom: fix bad cgc.buflen assignment
X-Git-Tag: v2.6.18-rc2
X-Git-Url: http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=454d6fbc48374be8f53b9bafaa86530cf8eb3bc1
[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>
---
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -1837,7 +1837,7 @@ 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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