From 7283a33ffab7f4fbf82f5387af7a5505a9ce3ef6 Mon Sep 17 00:00:00 2001 From: Dinghao Liu Date: Tue, 19 Jan 2021 16:10:55 +0800 Subject: 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: 046050f6e623e ("extcon: Update the prototype of extcon_register_notifier() with enum extcon") Signed-off-by: Dinghao Liu Signed-off-by: Chanwoo Choi Signed-off-by: Sasha Levin --- drivers/extcon/extcon.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 21a123cadf78..e7fef10bd12c 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -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; } -- cgit v1.2.3