34 lines
1.5 KiB
Diff
34 lines
1.5 KiB
Diff
|
From 22a598fa626bf440127c1dd2a6b116514869752a Mon Sep 17 00:00:00 2001
|
||
|
|
From: Franck Bui <fbui@suse.com>
|
||
|
|
Date: Tue, 25 Oct 2022 13:54:10 +0200
|
||
|
|
Subject: [PATCH] random-seed: clarify one comment
|
||
|
|
|
||
|
|
(cherry picked from commit 46e0b5dca7fa5368bccbf30a7d2569d93d994a44)
|
||
|
|
|
||
|
|
Related: RHEL-16952
|
||
|
|
---
|
||
|
|
src/random-seed/random-seed.c | 7 ++++---
|
||
|
|
1 file changed, 4 insertions(+), 3 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/src/random-seed/random-seed.c b/src/random-seed/random-seed.c
|
||
|
|
index 7782509572..22ddf659ae 100644
|
||
|
|
--- a/src/random-seed/random-seed.c
|
||
|
|
+++ b/src/random-seed/random-seed.c
|
||
|
|
@@ -249,12 +249,13 @@ static int save_seed_file(
|
||
|
|
if (!buf)
|
||
|
|
return log_oom();
|
||
|
|
|
||
|
|
- /* Let's make this whole job asynchronous, i.e. let's make ourselves a barrier for proper
|
||
|
|
- * initialization of the random pool. */
|
||
|
|
k = getrandom(buf, seed_size, GRND_NONBLOCK);
|
||
|
|
if (k < 0 && errno == EAGAIN && synchronous) {
|
||
|
|
+ /* If we're asked to make ourselves a barrier for proper initialization of the random pool
|
||
|
|
+ * make this whole job synchronous by asking getrandom() to wait until the requested number
|
||
|
|
+ * of random bytes is available. */
|
||
|
|
log_notice("Kernel entropy pool is not initialized yet, waiting until it is.");
|
||
|
|
- k = getrandom(buf, seed_size, 0); /* retry synchronously */
|
||
|
|
+ k = getrandom(buf, seed_size, 0);
|
||
|
|
}
|
||
|
|
if (k < 0)
|
||
|
|
log_debug_errno(errno, "Failed to read random data with getrandom(), falling back to /dev/urandom: %m");
|