extcon: unregister compat link on cleanup

Since extcon registers this compat link at device registration
(extcon_dev_register), we should probably remove them at deregistration/cleanup.

Cc: stable@vger.kernel.org
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
index 63715cdfe9888d4e19669ea65e2026f425629f1a..54dc00b7b9f682242b2cd70bb266c4f2054fb4c6 100644 (file)
--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@@ -570,6 +570,10 @@ static void extcon_cleanup(struct extcon_dev *edev, bool skip)
                        kfree(edev->cables);
                }
 
+#if defined(CONFIG_ANDROID)
+               if (switch_class)
+                       class_compat_remove_link(switch_class, edev->dev, NULL);
+#endif
                device_unregister(edev->dev);
                put_device(edev->dev);
        }