linux-kernel - Re: [Patch] Memory leak in drivers/usb/serial/airprime.c

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Message-id: <1160161089.28125.212.camel@tahini.andynet.net>
Date:	Fri, 06 Oct 2006 14:58:09 -0400
From:	Andy Gay <andy@...ynet.net>
To:	Eric Sesterhenn <snakebyte@....de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Patch] Memory leak in drivers/usb/serial/airprime.c

Hmm. And I really thought I'd plugged all the leaks....

Acked-by: Andy Gay <andy@...ynet.net>

On Thu, 2006-10-05 at 12:31 +0200, Eric Sesterhenn wrote:
> hi,
> 
> the commit http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5dda171202f94127e49c12daf780cdae1b4e668b
> added a memory leak. In case we cant allocate an urb, we dont free
> the buffer and leak it. Coverity id #1438
> 
> Signed-off-by: Eric Sesterhenn <snakebyte@....de>
> 
> --- linux-2.6.19-rc1/drivers/usb/serial/airprime.c.orig	2006-10-05 12:25:56.000000000 +0200
> +++ linux-2.6.19-rc1/drivers/usb/serial/airprime.c	2006-10-05 12:26:35.000000000 +0200
> @@ -133,6 +133,7 @@ static int airprime_open(struct usb_seri
>  		}
>  		urb = usb_alloc_urb(0, GFP_KERNEL);
>  		if (!urb) {
> +			kfree(buffer);
>  			dev_err(&port->dev, "%s - no more urbs?\n",
>  				__FUNCTION__);
>  			result = -ENOMEM;
> 
> 
> 

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