[PATCH 3/8] random: trigger random_ready callback upon crng_init == 1
From: Stephan Müller
Date: Tue Dec 27 2016 - 17:44:43 EST
The random_ready callback mechanism is intended to replicate the
getrandom system call behavior to in-kernel users. As the getrandom
system call unblocks with crng_init == 1, trigger the random_ready
wakeup call at the same time.
Signed-off-by: Stephan Mueller <smueller@xxxxxxxxxx>
---
drivers/char/random.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 482531d..5c26b1c 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -810,6 +810,7 @@ static int crng_fast_load(const char *cp, size_t len)
}
if (crng_init_cnt >= CRNG_INIT_CNT_THRESH) {
crng_init = 1;
+ process_random_ready_list();
wake_up_interruptible(&crng_init_wait);
pr_notice("random: fast init done\n");
}
--
2.9.3