linux-kernel - Re: [PATCH 1/1] Fix error path in wacom

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Message-ID: <20110210131816.GB8935@polaris.bitmath.org>
Date:	Thu, 10 Feb 2011 14:18:16 +0100
From:	"Henrik Rydberg" <rydberg@...omail.se>
To:	Alexander Strakh <cromlehg@...il.com>
Cc:	dmitry.torokhov@...il.com, oneukum@...e.de,
	oblivian@...rs.sourceforge.net, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, Alexander Strakh <strakh@...ras.ru>
Subject: Re: [PATCH 1/1] Fix error path in wacom_probe

Hi Alexander,

>   In file drivers/input/tablet/wacom_sys.c in
> wacom_probe after error we can goto label2. In
>  this case function usb_free was not called. 
>  It will be right goto for the label tail3.
> 
>         wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
> 
> 	...
> 
>         /* Retrieve the physical and logical size for OEM devices */
>         error = wacom_retrieve_hid_descriptor(intf, features);
>         if (error)
>                 goto fail2;
> 	...
> 	 fail3: usb_free_urb(wacom->irq);
> 	 fail2: usb_free_coherent(dev, WACOM_PKGLEN_MAX, wacom_wac->data, wacom->data_dma);
> 
> Replaced wrong transition.

Yep, thanks for this.

Acked-by: Henrik Rydberg <rydberg@...omail.se>
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