linux-kernel - [PATCH] stm class: Fix a double free of stm_source

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Message-Id: <1563354988-23826-1-git-send-email-dingxiang@cmss.chinamobile.com>
Date:   Wed, 17 Jul 2019 17:16:28 +0800
From:   Ding Xiang <dingxiang@...s.chinamobile.com>
To:     alexander.shishkin@...ux.intel.com, mcoquelin.stm32@...il.com,
        alexandre.torgue@...com
Cc:     linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] stm class: Fix a double free of stm_source_device

put_device will call stm_source_device_release to free
stm_source_device, so remove the kfree.

Signed-off-by: Ding Xiang <dingxiang@...s.chinamobile.com>
---
 drivers/hwtracing/stm/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index e55b902..181e7ff 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -1276,7 +1276,6 @@ int stm_source_register_device(struct device *parent,
 
 err:
 	put_device(&src->dev);
-	kfree(src);
 
 	return err;
 }
-- 
1.9.1