Re: [PATCH] tty/serial: Skip 'NULL' char after console break when sysrq enabled

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH] tty/serial: Skip 'NULL' char after console break when sysrq enabled
Date	2015-12-24 17:50 +0100
Message-ID	<qJhfr-GU-3@gated-at.bofh.it> (permalink)
References	<qIWNH-4OT-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Vijay Kumar <vijay.ac.kumar@oracle.com>
Date: Wed, 23 Dec 2015 10:55:33 -0800

> When sysrq is triggered from console, serial driver for SUN hypervisor
> console receives a console break and enables the sysrq. It expects a valid
> sysrq char following with break. Meanwhile if driver receives 'NULL'
> ASCII char then it disables sysrq and sysrq handler will never be invoked.
> 
> This fix skips calling uart sysrq handler when 'NULL' is received while
> sysrq is enabled.
> 
> Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
> Acked-by: Karl Volz <karl.volz@oracle.com>

Applied, thank you.
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[PATCH] tty/serial: Skip 'NULL' char after console break when sysrq enabled Vijay Kumar <vijay.ac.kumar@oracle.com> - 2015-12-23 20:00 +0100
  Re: [PATCH] tty/serial: Skip 'NULL' char after console break when  sysrq enabled David Miller <davem@davemloft.net> - 2015-12-24 17:50 +0100

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