Re: drivers/usb/misc/cypress_cy7c63.c: NULL dereference

[Oliver Bock <o.bock@fh-wolfenbuettel.de>]

Thanks guys!
Sorry for that blunder...

Oliver

On Tuesday 15 August 2006 02:57, Greg KH wrote:
> On Tue, Aug 15, 2006 at 02:04:42AM +0200, Adrian Bunk wrote:
> > The Coverity Checker spotted the following obvious NULL dereference:
> >
> > <--  snip  -->
> >
> > ...
> > static int cypress_probe(struct usb_interface *interface,
> >                          const struct usb_device_id *id)
> > {
> > ...
> >         if (dev == NULL) {
> >                 dev_err(&dev->udev->dev, "Out of memory!\n");
> >                 goto error;
> >         }
> > ...
> > }
> > ...
> >
> > <--  snip  -->
>
> Thanks for letting me know, the patch below should fix this.
>
> greg k-h
>
> ------------
>
> From: Greg Kroah-Hartman <gregkh@suse.de>
> Subject: USB: fix bug in cypress_cy7c63.c driver
>
> This was pointed out by Adrian Bunk <bunk@stusta.de>, as found by the
> Coverity Checker.
>
>
> Cc: Adrian Bunk <bunk@stusta.de>
> Cc: Oliver Bock <o.bock@fh-wolfenbuettel.de>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
>
> ---
>  drivers/usb/misc/cypress_cy7c63.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- gregkh-2.6.orig/drivers/usb/misc/cypress_cy7c63.c
> +++ gregkh-2.6/drivers/usb/misc/cypress_cy7c63.c
> @@ -208,7 +208,7 @@ static int cypress_probe(struct usb_inte
>  	/* allocate memory for our device state and initialize it */
>  	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
>  	if (dev == NULL) {
> -		dev_err(&dev->udev->dev, "Out of memory!\n");
> +		dev_err(&interface->dev, "Out of memory!\n");
>  		goto error;
>  	}