-stable review patch. If anyone has any objections, please let us know.
------------------
From: Tejun Heo <[email protected]>
Clear-garbage-after-CDB patch missed scsi_execute() and it causes some
ODDs (HL-DT-ST DVD-RAM GSA-H30N) choke during SCSI scan. Note that
this patch is only for -stable. There is another more reliable fix
for this problem proposed for devel tree.
http://thread.gmane.org/gmane.linux.ide/14605/focus=14605
Signed-off-by: Tejun Heo <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Douglas Gilbert <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/scsi/scsi_lib.c | 1 +
1 file changed, 1 insertion(+)
--- linux-2.6.18.7.orig/drivers/scsi/scsi_lib.c
+++ linux-2.6.18.7/drivers/scsi/scsi_lib.c
@@ -191,6 +191,7 @@ int scsi_execute(struct scsi_device *sde
goto out;
req->cmd_len = COMMAND_SIZE(cmd[0]);
+ memset(req->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */
memcpy(req->cmd, cmd, req->cmd_len);
req->sense = sense;
req->sense_len = 0;
--
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