Re: posix_cpu_timer: initialize "now" variable

[Frederic Weisbecker]

2013/4/4 Arnd Bergmann <arnd@xxxxxxxx>:
> Patch 6d0e025 "posix_cpu_timer: consolidate expiry time type" in linux-next
> introduces a new compiler warning:
>
> kernel/posix-cpu-timers.c: In function 'posix_cpu_timer_schedule':
> kernel/posix-cpu-timers.c:1127:19: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized]
>     clear_dead_task(timer, now);
>
> As far as I can tell, that warning is about an actual bug an not
> a false positive, as that variable is clearly never initialized
> when it gets used in line 1127.
>
> Here is a patch that makes the warning go away for me, no idea if this is
> the right solution or not.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

I posted a fix two days ago: https://lkml.org/lkml/2013/3/30/63

Thanks.
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