hwrng: timeriomem - Remove 'max < 4' condition check (c0133b00) · Commits · 戴 / test

In read routiene max is always >= 4. The check whether 'max < 4' is not necessary. Remove it. Signed-off-by:

drivers/char/hw_random/timeriomem-rng.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -52,13 +52,6 @@ static int timeriomem_rng_read(struct hwrng hwrng, void data,
		int retval = 0;
		int period_us = ktime_to_us(priv->period);

		/*
		* The RNG provides 32-bits per read. Ensure there is enough space for
		* at minimum one read.
		*/
		if (max < sizeof(u32))
		return 0;

		/*
		* There may not have been enough time for new data to be generated
		* since the last request. If the caller doesn't want to wait, let them