linux-kernel - Re: [PATCH][hid] Fix a NULL pointer dereference when we fail to allocate memory

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Date:	Mon, 30 Jul 2007 16:04:58 +0200
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	"Jiri Slaby" <jirislaby@...il.com>
Cc:	"Jiri Kosina" <jkosina@...e.cz>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Michael Haboustak" <mike-@...ci.rr.com>,
	"Andreas Gal" <gal@....edu>, "Vojtech Pavlik" <vojtech@...e.cz>,
	"Greg Kroah-Hartman" <greg@...ah.com>,
	linux-input@...ey.karlin.mff.cuni.cz
Subject: Re: [PATCH][hid] Fix a NULL pointer dereference when we fail to allocate memory

On 22/07/07, Jiri Slaby <jirislaby@...il.com> wrote:
> Jesper Juhl napsal(a):
> >  drivers/hid/usbhid/hid-core.c |    3 ++-
> >  1 files changed, 2 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
> > index b2baeae..3ff7468 100644
> > --- a/drivers/hid/usbhid/hid-core.c
> > +++ b/drivers/hid/usbhid/hid-core.c
> > @@ -743,7 +743,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
> >       hid->quirks = quirks;
> >
> >       if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL)))
>
> Out of curiosity, where is this freed?
>
Sorry, I didn't notice your email until now.  It's not freed anywhere
:-(   But I see that Jiri Kosina just queued a fix for that, so now
all is good :-)

-- 
Jesper Juhl <jesper.juhl@...il.com>
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