linux-kernel - Re: [PATCH v1] drivers/tty/serial: check the return value of uart_port

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Message-ID: <CAMEuxRrLXov-brDL4ENyHS=1Yjd2YE0bGNHZ69p9wmuBQo9avQ@mail.gmail.com>
Date:   Fri, 26 Aug 2022 01:29:12 -0700
From:   Li Zhong <floridsleeves@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        jirislaby@...nel.org
Subject: Re: [PATCH v1] drivers/tty/serial: check the return value of uart_port_check()

On Mon, Aug 22, 2022 at 11:22 PM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Mon, Aug 22, 2022 at 10:57:39PM -0700, lily wrote:
> > uart_port_check() can return NULL pointer. Check its return value
> > before dereference it.
>
> Also, how did you find this issue?
>
> >
> > Signed-off-by: Li Zhong <floridsleeves@...il.com>
>
> Also, your From: name does not match this one, so I can't take the patch
> even if it is ok :(
>
> Please do initial kernel work in drivers/staging/ to get issues like
> this fixed up before moving to other portions of the kernel so that
> basic email problems do not bother other subsystem maintainers.
>
Thanks for the suggestions! I'll correct the From: in my v2 patch.

> thanks,
>
> greg k-h
>
>