[PATCH v3 1/8] random: Don't wake crng_init_wait when crng_init == 1

Andy Lutomirski
2019-12-23T08:21:06Z

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