Commit 4c8d0621 authored Dec 23, 2019 by Andy Lutomirski Committed by Theodore Ts'o Jan 07, 2020

random: Don't wake crng_init_wait when crng_init == 1

crng_init_wait is only used to wayt for crng_init to be set to 2, so
there's no point to waking it when crng_init is set to 1. Remove the
unnecessary wake_up_interruptible() call.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/6fbc0bfcbfc1fa2c76fd574f5b6f552b11be7fde.1577088521.git.luto@kernel.org

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

parent 1b710b1b

drivers/char/random.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -946,7 +946,6 @@ static int crng_fast_load(const char *cp, size_t len)
		if (crng_init_cnt >= CRNG_INIT_CNT_THRESH) {
		invalidate_batched_entropy();
		crng_init = 1;
		wake_up_interruptible(&crng_init_wait);
		pr_notice("random: fast init done\n");
		}
		return 1;