Commit 7283a33f authored Jan 19, 2021 by Dinghao Liu Committed by Greg Kroah-Hartman Apr 07, 2021

extcon: Fix error handling in extcon_dev_register



[ Upstream commit d3bdd1c3140724967ca4136755538fa7c05c2b4e ]

When devm_kcalloc() fails, we should execute device_unregister()
to unregister edev->dev from system.

Fixes: 046050f6 ("extcon: Update the prototype of extcon_register_notifier() with enum extcon")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 7e9ed17a

drivers/extcon/extcon.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -932,6 +932,7 @@ int extcon_dev_register(struct extcon_dev *edev)
		sizeof(edev->nh) edev->max_supported, GFP_KERNEL);
		if (!edev->nh) {
		ret = -ENOMEM;
		device_unregister(&edev->dev);
		goto err_dev;
		}