linux-kernel - [PATCH 4.15 006/202] dmaengine: dmatest: fix container_of member in dmatest

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Date:   Thu, 15 Feb 2018 16:15:06 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Yang Shunyong <shunyong.yang@...-semitech.com>,
        Adam Wallis <awallis@...eaurora.org>,
        Vinod Koul <vinod.koul@...el.com>
Subject: [PATCH 4.15 006/202] dmaengine: dmatest: fix container_of member in dmatest_callback

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yang Shunyong <shunyong.yang@...-semitech.com>

commit 66b3bd2356e0a1531c71a3dcf96944621e25c17c upstream.

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>
Acked-by: Adam Wallis <awallis@...eaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/dma/dmatest.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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);