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Commit 92154c28 authored by Jianqiang Zhao's avatar Jianqiang Zhao Committed by Dyneteve
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ANDROID: input: keychord: fix race condition bug 



Change-Id: I9c7c759c99e21cad9a7f9a09128122bf6ae11302
Signed-off-by: default avatarJianqiang Zhao <zhaojianqiang1@gmail.com>
Bug: 36006779
parent cb1a537c

drivers/input/misc/keychord.c

+3 −1
Original line number Diff line number Diff line
@@ -300,8 +300,10 @@ static ssize_t keychord_write(struct file *file, const char __user *buffer, 


	ret = input_register_handler(&kdev->input_handler);

	if (ret) {

		kfree(keychords);

		spin_lock_irqsave(&kdev->lock, flags);

		kfree(kdev->keychords);

		kdev->keychords = 0;

		spin_unlock_irqrestore(&kdev->lock, flags);

		return ret;

	}

	kdev->registered = 1;