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extcon: fix possible name leak in extcon_dev_register()

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[ Upstream commit e66523c72c9aae0ff0dae6859eb77b04de1e8e5f ]

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.

Link: https://lore.kernel.org/lkml/TYZPR01MB4784ADCD3E951E0863F3DB72D5B8A@TYZPR01MB4784.apcprd01.prod.exchangelabs.com/
Signed-off-by: Yaxiong Tian <tianyaxiong@kylinos.cn>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yaxiong Tian 2023-11-24 09:49:13 +08:00 committed by Greg Kroah-Hartman
parent 7c5276c44d
commit 8b755fc728
1 changed files with 1 additions and 2 deletions
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3
drivers/extcon/extcon.c
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@ -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);