[PATCH] hw_random: timeriomem-rng: Remove 'max < 4' condition check
From: PrasannaKumar Muralidharan <hidden>
Date: 2017-08-22 16:22:49
Subsystem:
hardware random number generator core, the rest · Maintainers:
Olivia Mackall, Herbert Xu, Linus Torvalds
In read routiene max is always >= 4. The check whether 'max < 4' is not necessary. Remove it. Signed-off-by: PrasannaKumar Muralidharan <redacted> --- drivers/char/hw_random/timeriomem-rng.c | 7 ------- 1 file changed, 7 deletions(-)
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index 03ff548..f615684 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c@@ -53,13 +53,6 @@ static int timeriomem_rng_read(struct hwrng *hwrng, void *data, 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 * bail out. Otherwise, wait for the completion. If the new data has
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2.10.0