linux-kernel - Re: [PATCH] mos7840: fix chars_in

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Message-ID: <beb242ad-aad1-cb42-6d10-a997dfe98e45@cogentembedded.com>
Date:   Sat, 24 Sep 2016 16:57:15 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Stas Sergeev <stsp@...t.ru>
Cc:     Caylan Van Larson <i@...lan.net>,
        Alan Cox <alan@...rguk.ukuu.org.uk>,
        Johan Hovold <johan@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mos7840: fix chars_in_buffer() return value

Hello.

On 9/24/2016 4:47 PM, Stas Sergeev wrote:

> The TIOCOUTQ ioctl calls chars_in_buffer(), and some apps depend on
> a correct behaviour of that.
> mos7840 implements it wrongly: if you write just one char, TIOCOUTQ
> will return 32.
> This patch should fix it by accounting the number of chars actually
> writCaylan Van Larson <i@...lan.net>ten.

    ???

> This patch, unfortunately, misses the Tesed-by tag.

    Tested-by.

> The reported didn't test it, and I don't have the hardware in question.

    Reporter?

> Signed-off-by: Stas Sergeev <stsp@...t.ru>
> Reported-by: Caylan Van Larson <i@...lan.net>
> CC: Caylan Van Larson <i@...lan.net>
> CC: Alan Cox <alan@...rguk.ukuu.org.uk>
> CC: Johan Hovold <johan@...nel.org>
> CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> CC: linux-usb@...r.kernel.org
> CC: linux-kernel@...r.kernel.org
[...]

MBR, Sergei