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From: Mark Lord <kernel@teksavvy.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>,
	Jarod Wilson <jarod@wilsonet.com>,
	Greg Kroah-Hartman <greg@kroah.com>
Subject: Re: PATCH: drivers/staging/lirc/lirc_serial.c: use IS_ERR()
Date: Tue, 08 Feb 2011 16:34:39 -0500	[thread overview]
Message-ID: <4D51B6EF.5000409@teksavvy.com> (raw)
In-Reply-To: <4D4F0701.5060602@teksavvy.com>

[-- Attachment #1: Type: text/plain, Size: 831 bytes --]

On 11-02-06 03:39 PM, Mark Lord wrote:
> The lirc_serial.c module has never worked with ordinary homebrew
> serial blaster hardware, and leaks memory when this is attempted.
> 
> Fix it by replacing incorrect usage of PTR_ERR() with IS_ERR().
> (patch is inline and also attached to bypass mailer issues).
> 
> Signed-off-by: Mark Lord <mlord@pobox.com>
> 
> --- linux-2.6.37/drivers/staging/lirc/lirc_serial.c	2011-01-04
> 19:50:19.000000000 -0500
> +++ linux/drivers/staging/lirc/lirc_serial.c	2011-02-06 15:33:49.854453928 -0500
> @@ -966,7 +966,7 @@
>  	if (n % sizeof(int) || count % 2 == 0)
>  		return -EINVAL;
>  	wbuf = memdup_user(buf, n);
> -	if (PTR_ERR(wbuf))
> +	if (IS_ERR(wbuf))
>  		return PTR_ERR(wbuf);
>  	spin_lock_irqsave(&hardware[type].lock, flags);
>  	if (type == LIRC_IRDEO) {


Anyone out there?

Greg?

[-- Attachment #2: lirc_serial_fix.patch --]
[-- Type: text/x-patch, Size: 428 bytes --]

--- linux-2.6.37/drivers/staging/lirc/lirc_serial.c.orig	2011-01-04 19:50:19.000000000 -0500
+++ linux/drivers/staging/lirc/lirc_serial.c	2011-02-06 15:33:49.854453928 -0500
@@ -966,7 +966,7 @@
 	if (n % sizeof(int) || count % 2 == 0)
 		return -EINVAL;
 	wbuf = memdup_user(buf, n);
-	if (PTR_ERR(wbuf))
+	if (IS_ERR(wbuf))
 		return PTR_ERR(wbuf);
 	spin_lock_irqsave(&hardware[type].lock, flags);
 	if (type == LIRC_IRDEO) {

  reply	other threads:[~2011-02-08 21:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-06 20:39 PATCH: drivers/staging/lirc/lirc_serial.c: use IS_ERR() Mark Lord
2011-02-08 21:34 ` Mark Lord [this message]
2011-02-09 19:52   ` Greg KH
2011-02-09 19:54     ` Greg KH

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