linux-kernel - [PATCH v2] dmaengine: dmatest: fix container_of member in dmatest

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Message-ID: <1517208011-7640-1-git-send-email-shunyong.yang@hxt-semitech.com>
Date:   Mon, 29 Jan 2018 14:40:11 +0800
From:   Yang Shunyong <shunyong.yang@...-semitech.com>
To:     <vinod.koul@...el.com>
CC:     <dan.j.williams@...el.com>, <dmaengine@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <yu.zheng@...-semitch.com>,
        Yang Shunyong <shunyong.yang@...-semitech.com>
Subject: [PATCH v2] dmaengine: dmatest: fix container_of member in dmatest_callback

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>
Signed-off-by: Vinod Koul <vinod.koul@...el.com>
---

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);
-- 
1.8.3.1