linux-kernel - Re: [PATCH] input: Synaptics USB device driver

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Date:	Wed, 4 Jan 2012 09:55:19 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Jan Steinhoff <mail@...-steinhoff.de>
Cc:	Alessandro Rubini <rubini@...vis.unipv.it>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] input: Synaptics USB device driver

On Tue, 3 Jan 2012, Jan Steinhoff wrote:

[ ... snip ... ]
> +static int synusb_setup_iurb(struct synusb *synusb,
> +			     struct usb_endpoint_descriptor *endpoint)
> +{
> +	char *buf;
> +
> +	if (endpoint->wMaxPacketSize < 8)
> +		return 0;
> +	if (synusb->iurb) {
> +		synusb_warn(synusb, "Found more than one possible "
> +				    "int in endpoint");
> +		return 0;
> +	}
> +	synusb->iurb = usb_alloc_urb(0, GFP_KERNEL);
> +	if (synusb->iurb == NULL)
> +		return -ENOMEM;
> +	buf = usb_alloc_coherent(synusb->udev, 8, GFP_ATOMIC,
> +				 &synusb->iurb->transfer_dma);
> +	if (buf == NULL)
> +		return -ENOMEM;

You seem to leak synusb->iurb here.

-- 
Jiri Kosina
SUSE Labs
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