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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: linux-ide@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Sergei Shtylyov <sshtylyov@ru.mvista.com>
Subject: [PATCH 3/4] ide: filter out invalid transfer mode values in set_xfer_rate()
Date: Sat, 21 Jun 2008 21:20:41 +0200	[thread overview]
Message-ID: <200806212120.41514.bzolnier@gmail.com> (raw)

Filter out invalid transfer mode values (0x02-0x07) in write handler
for obsoleted /proc/ide/hd?/settings:current_speed setting.

While at it:

* Use XFER_UDMA_6 define.

Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
Sergei, IIRC that it is what you were suggesting some time ago.

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

Index: b/drivers/ide/ide-proc.c
===================================================================
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -345,7 +345,7 @@ static int set_xfer_rate (ide_drive_t *d
 	ide_task_t task;
 	int err;
 
-	if (arg < 0 || arg > 70)
+	if (arg < 0 || (arg > 1 && arg < XFER_PIO_0) || arg > XFER_UDMA_6)
 		return -EINVAL;
 
 	memset(&task, 0, sizeof(task));

             reply	other threads:[~2008-06-21 19:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-21 19:20 Bartlomiej Zolnierkiewicz [this message]
2008-06-21 19:38 ` [PATCH 3/4] ide: filter out invalid transfer mode values in set_xfer_rate() Sergei Shtylyov
2008-06-21 19:57   ` Bartlomiej Zolnierkiewicz

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