Re: [PATCH] alarmtimers: verify the alarmtimer_type value from clock2alarm()

[Thomas Gleixner]

On Tue, 8 Jul 2014, Hyogi Gim wrote:

> clock2alarm() can return a minus value. so, we cannot use this
> returned value for a index of an array. but, some functions use
> this value directly as a index of an array:
>  - alarm_clock_getres()
>  - alarm_clock_get()
>  - alarm_timer_create()
>  - alarm_timer_nsleep()
> 
> add the verification code for the returned alarmtimer_type from
> clock2alarm().

That's really pointless.

These functions are called from the core posix timer code if user
space requests CLOCK_REALTIME_ALARM or CLOCK_BOOTTIME_ALARM. So the
argument is already validated.

Thanks,

	tglx

 
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