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random: Don't wake crng_init_wait when crng_init == 1
author
Andy Lutomirski
<luto@kernel.org>
Mon, 23 Dec 2019 08:20:44 +0000
(
00:20
-0800)
committer
Theodore Ts'o
<tytso@mit.edu>
Tue, 7 Jan 2020 21:07:00 +0000
(16:07 -0500)
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>
drivers/char/random.c
patch
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blob
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diff --git
a/drivers/char/random.c
b/drivers/char/random.c
index
ea1973d
..
502e371
100644
(file)
--- 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;