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: 046050f6e6
("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>
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@ -1256,6 +1256,7 @@ int extcon_dev_register(struct extcon_dev *edev)
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sizeof(*edev->nh), GFP_KERNEL);
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if (!edev->nh) {
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ret = -ENOMEM;
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device_unregister(&edev->dev);
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goto err_dev;
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}
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