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Subject[PATCH] extcon: fix possible name leak in extcon_dev_register()
Date
From: Yaxiong Tian <tianyaxiong@kylinos.cn>

In the error path after calling dev_set_name(), the device
name is leaked. To fix this,Moving dev_set_name() after the
error path and before device_register.

Signed-off-by: Yaxiong Tian <tianyaxiong@kylinos.cn>
---
drivers/extcon/extcon.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index 6f7a60d2ed91..e7f55c021e56 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -1280,8 +1280,6 @@ int extcon_dev_register(struct extcon_dev *edev)

edev->id = ret;

- dev_set_name(&edev->dev, "extcon%d", edev->id);
-
ret = extcon_alloc_cables(edev);
if (ret < 0)
goto err_alloc_cables;
@@ -1310,6 +1308,7 @@ int extcon_dev_register(struct extcon_dev *edev)
RAW_INIT_NOTIFIER_HEAD(&edev->nh_all);

dev_set_drvdata(&edev->dev, edev);
+ dev_set_name(&edev->dev, "extcon%d", edev->id);
edev->state = 0;

ret = device_register(&edev->dev);
--
2.25.1
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