Re: [PATCH 3/8] drivers/media/video/hdpvr: introduce missing kfree

From: Mauro Carvalho Chehab
Date: Tue Feb 02 2010 - 10:19:30 EST


Hi Janne,

Janne Grunau wrote:
> On Fri, Sep 11, 2009 at 06:21:35PM +0200, Julia Lawall wrote:
>> Error handling code following a kzalloc should free the allocated data.
>
> Thanks for the report. I'll commit a different patch which adds the buffer
> to the buffer list as soon it is allocated. The hdpvr_free_buffers() in the
> error handling code will clean it up then. See below:

Any news about this subject? The current upstream code still misses the change bellow

>
> diff --git a/linux/drivers/media/video/hdpvr/hdpvr-video.c b/linux/drivers/media/video/hdpvr/hdpvr-video.c
> --- a/linux/drivers/media/video/hdpvr/hdpvr-video.c
> +++ b/linux/drivers/media/video/hdpvr/hdpvr-video.c
> @@ -134,6 +134,8 @@
> v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n");
> goto exit;
> }
> + list_add_tail(&buf->buff_list, &dev->free_buff_list);
> +
> buf->dev = dev;
>
> urb = usb_alloc_urb(0, GFP_KERNEL);
> @@ -158,7 +160,6 @@
> hdpvr_read_bulk_callback, buf);
>
> buf->status = BUFSTAT_AVAILABLE;
> - list_add_tail(&buf->buff_list, &dev->free_buff_list);
> }
> return 0;
> exit:
> --
> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html


--

Cheers,
Mauro
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/