Re: [PATCH] mos7840: fix chars_in_buffer() return value

[Stas Sergeev]

29.09.2016 13:09, Johan Hovold ÐÐÑÐÑ:
> On Sat, Sep 24, 2016 at 06:00:57PM +0300, 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
> > written.
> > This patch, unfortunately, misses the Tested-by tag.
> > The reporter didn't test it, and I don't have the hardware in question.
> Why do you think the driver returns 32b in chars_in_buffer after writing
> a single character?
Hi Johan, this actually came from this ancient bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=45791
I was trying to add you back then and now, but your e-mail
doesn't seem to be registered in a bug tracker.
The code in question was different when I submitted the
original patch:
https://bugzilla.kernel.org/attachment.cgi?id=77241
Maybe the bug was since fixed.
In that case sorry for the noise.