Re: [PATCH v2] dmaengine: dmatest: fix container_of member in dmatest_callback

From: Adam Wallis
Date: Mon Jan 29 2018 - 08:17:39 EST


Yang,

On 1/29/2018 1:40 AM, Yang Shunyong wrote:
> The type of arg passed to dmatest_callback is struct dmatest_done.
> It refers to test_done in struct dmatest_thread, not done_wait.
>
> Fixes: 6f6a23a213be ("dmaengine: dmatest: move callback wait ...")
> Signed-off-by: Yang Shunyong <shunyong.yang@xxxxxxxxxxxxxxxx>
> Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
> ---
>
> v2: change arg to done in container_of().
>
> ---
> drivers/dma/dmatest.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
> index ec5f9d2bc820..80cc2be6483c 100644
> --- a/drivers/dma/dmatest.c
> +++ b/drivers/dma/dmatest.c
> @@ -355,7 +355,7 @@ static void dmatest_callback(void *arg)
> {
> struct dmatest_done *done = arg;
> struct dmatest_thread *thread =
> - container_of(arg, struct dmatest_thread, done_wait);
> + container_of(done, struct dmatest_thread, test_done);
> if (!thread->done) {
> done->done = true;
> wake_up_all(done->wait);
>

Thanks again for the fix (and to Vinod for the cleanup)

Acked-by: Adam Wallis <awallis@xxxxxxxxxxxxxx>

--
Adam Wallis
Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.