Re: [PATCH] clocksource/drivers: fix uninitialized variable use in timer_of_init

From: Daniel Lezcano
Date: Thu Jun 22 2017 - 03:07:23 EST


On 21/06/2017 23:49, Arnd Bergmann wrote:
> If none of the flags are set, 'ret' is uninitialized as pointed out
> by gcc:
>
> drivers/clocksource/timer-of.c: In function 'timer_of_init':
> drivers/clocksource/timer-of.c:160:9: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]
>
> Since calling the function without any of the flags is an error,
> set the return value to -EINVAL for that case.
>
> Fixes: dc11bae78529 ("clocksource/drivers: Add timer-of common init routine")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---

Thanks for the fix!



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