linux-kernel - Re: Re: [PATCH v3] serial: pch_uart: potential dereference of null pointer

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Message-Id: <20211221033135.1002255-1-jiasheng@iscas.ac.cn>
Date:   Tue, 21 Dec 2021 11:31:35 +0800
From:   Jiasheng Jiang <jiasheng@...as.ac.cn>
To:     gregkh@...uxfoundation.org, jirislaby@...nel.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiasheng Jiang <jiasheng@...as.ac.cn>
Subject: Re: Re: [PATCH v3] serial: pch_uart: potential dereference of null pointer

On Mon, Dec 20, 2021 at 11:37:58AM +0800, Greg KH wrote:
> This patch is obviously not correct, and will cause problems if it were
> accepted.
>
> Please work on whatever tool you are using to find and make these
> changes, as it is not working properly.
>
> Or, if this was a manual change, please work on your kernel programming
> skills.  There are a number of bugs in this proposed change, showing
> that it was not tested at all.

Sorry, I am not so familiar with the kernel and I really change the code manually.
Could you please tell me what's wrong with my patch with more details?
And I just find that I may forget to release the chan.
Is that all?
Or there are other bugs I need to deal with.

Sincerely thanks,
Jiasheng