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

[David Miller]

From: Vijay Kumar <vijay.ac.kumar@xxxxxxxxxx>
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@xxxxxxxxxx>
> Acked-by: Karl Volz <karl.volz@xxxxxxxxxx>

Applied, thank you.
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