From: Andy Lutomirski luto@kernel.org
commit 4c8d062186d9923c09488716b2fb1b829b5b8006 upstream.
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.157708852... Signed-off-by: Theodore Ts'o tytso@mit.edu Signed-off-by: Jason A. Donenfeld Jason@zx2c4.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/char/random.c | 1 - 1 file changed, 1 deletion(-)
--- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -999,7 +999,6 @@ static size_t crng_fast_load(const char 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 ret;