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Jason A. Donenfeld
c04e72700f
In the event that random_get_entropy() can't access a cycle counter or similar, falling back to returning 0 is really not the best we can do. Instead, at least calling random_get_entropy_fallback() would be preferable, because that always needs to return _something_, even falling back to jiffies eventually. It's not as though random_get_entropy_fallback() is super high precision or guaranteed to be entropic, but basically anything that's not zero all the time is better than returning zero all the time. Cc: Thomas Gleixner <[email protected]> Cc: Arnd Bergmann <[email protected]> Acked-by: Dinh Nguyen <[email protected]> Signed-off-by: Jason A. Donenfeld <[email protected]>