linux-kernel - [PATCH] dmaengine: dmatest: fix timeout caused by kthread

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Message-ID: <20230720114102.51053-1-haijie1@huawei.com>
Date:   Thu, 20 Jul 2023 19:41:02 +0800
From:   Jie Hai <haijie1@...wei.com>
To:     <vkoul@...nel.org>
CC:     <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] dmaengine: dmatest: fix timeout caused by kthread_stop

The change introduced by commit a7c01fa93aeb ("signal: break
out of wait loops on kthread_stop()") causes dmatest aborts
any ongoing tests and possible failure on the tests. This patch
use wait_event_timeout instead of wait_event_freezable_timeout
to avoid interrupting ongoing tests by signal brought by
kthread_stop().

Signed-off-by: Jie Hai <haijie1@...wei.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 ffe621695e47..c06b8b16645a 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -827,7 +827,7 @@ static int dmatest_func(void *data)
 		} else {
 			dma_async_issue_pending(chan);
 
-			wait_event_freezable_timeout(thread->done_wait,
+			ret = wait_event_timeout(thread->done_wait,
 					done->done,
 					msecs_to_jiffies(params->timeout));
 
-- 
2.33.0