[PATCH v1 3/7] serial: imx: do not sysrq broken chars

[Ilpo Järvinen]

On Sun, 22 Jan 2023, Sergey Organov wrote:

> Hi Stefan,
> 
> Stefan Wahren <stefan.wahren at i2se.com> writes:
> 
> > Hi Sergey,
> >
> > Am 21.01.23 um 16:36 schrieb Sergey Organov:
> >> Do not call uart_handle_sysrq_char() if we got any receive error
> >> along with the character, as we don't want random junk to be
> >> considered a sysrq.
> >> Signed-off-by: Sergey Organov <sorganov at gmail.com>
> >
> > this looks like a bugfix to me. Since the relevant code is pretty old,
> > i'm not sure about the fixes tag here:
> >
> > Fixes: 279a9acc9b72 ("2.6.11 import") ?
> 
> Dunno. I've checked a few drivers, and it seems that they don't care
> either, e.g., look at atmel_serial.c, or mpc52xx_uart.c.
> 
> Either it doesn't matter, or a few drivers need similar fix? What's
> going on here, I wonder?

Usually when one finds a bug from one of the drivers, the other drivers 
indeed turn out to have the same/similar bug(s).  It's not something 
uncommon.

So just fix them all, it's very much appreciated. :-) I understand it 
might not be possible to test all such fixes on those other HWs but 
usually such bugs are simple enough to fix that it isn't be a big problem.


-- 
 i.