[PATCH v3 1/8] random: Don't wake crng_init_wait when crng_init == 1
From: Andy Lutomirski <luto@kernel.org>
Date: 2019-12-23 08:21:06
Also in:
linux-ext4, linux-man, lkml
Subsystem:
random number driver, the rest · Maintainers:
"Theodore Ts'o", Jason A. Donenfeld, Linus Torvalds
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> --- drivers/char/random.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/char/random.c b/drivers/char/random.c
index cda12933a17d..c6252a3a4aec 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c@@ -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;
--
2.23.0