linux-kernel - Re: [PATCH] dmaengine: dmatest: fix container_of member in dmatest

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Date:   Wed, 24 Jan 2018 01:47:52 +0000
From:   "Yang, Shunyong" <shunyong.yang@...-semitech.com>
To:     "awallis@...eaurora.org" <awallis@...eaurora.org>,
        "vinod.koul@...el.com" <vinod.koul@...el.com>
CC:     "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Zheng, Joey" <yu.zheng@...-semitech.com>,
        "okaya@...eaurora.org" <okaya@...eaurora.org>,
        "graham.moore@...ux.intel.com" <graham.moore@...ux.intel.com>
Subject: Re: [PATCH] dmaengine: dmatest: fix container_of member in
 dmatest_callback

Hi, Adam

On Tue, 2018-01-23 at 09:32 -0500, Adam Wallis wrote:
> On 1/22/2018 2:28 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@...-semitech.com>
> > ---
> >  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..906e85d6dedc 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(arg, struct dmatest_thread,
> > test_done);
> >  	if (!thread->done) {
> >  		done->done = true;
> >  		wake_up_all(done->wait);
> > 
> Thanks for the catch
> 
> Acked-by: Adam Wallis <awallis@...eaurora.org>

Thanks!

Shunyong