On Fri, 2015-03-27 at 13:35 +0200, Peter Ujfalusi wrote:
> The vd->node is removed from the lists when the transfer started so the
> vchan_get_all_descriptors() will not find it. This results memory leak.
>
Acked-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Though this one would go via Greg's tty tree (Cc'ed) I think.
It becomes to regular work flow after 4.1-rc1.
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> CC: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/dma/hsu/hsu.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c
> index 683ba9b62795..d1864bda008f 100644
> --- a/drivers/dma/hsu/hsu.c
> +++ b/drivers/dma/hsu/hsu.c
> @@ -387,7 +387,10 @@ static int hsu_dma_terminate_all(struct dma_chan *chan)
> spin_lock_irqsave(&hsuc->vchan.lock, flags);
>
> hsu_dma_stop_channel(hsuc);
> - hsuc->desc = NULL;
> + if (hsuc->desc) {
> + hsu_dma_desc_free(&hsuc->desc->vchan);
> + hsuc->desc = NULL;
> + }
>
> vchan_get_all_descriptors(&hsuc->vchan, &head);
> spin_unlock_irqrestore(&hsuc->vchan.lock, flags);
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Intel Finland Oy
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