linux-kernel - [PATCH 4.9 002/264] random: remove stale maybe_reseed_primary

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Date:   Thu, 23 Jun 2022 18:39:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Stephan Mueller <smueller@...onox.de>,
        Theodore Tso <tytso@....edu>,
        "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH 4.9 002/264] random: remove stale maybe_reseed_primary_crng

From: Stephan Mueller <stephan.mueller@...ec.com>

commit 3d071d8da1f586c24863a57349586a1611b9aa67 upstream.

The function maybe_reseed_primary_crng is not used anywhere and thus can
be removed.

Signed-off-by: Stephan Mueller <smueller@...onox.de>
Signed-off-by: Theodore Ts'o <tytso@....edu>
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/char/random.c |    7 -------
 1 file changed, 7 deletions(-)

--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -931,13 +931,6 @@ static void crng_reseed(struct crng_stat
 	spin_unlock_irqrestore(&crng->lock, flags);
 }
 
-static inline void maybe_reseed_primary_crng(void)
-{
-	if (crng_init > 2 &&
-	    time_after(jiffies, primary_crng.init_time + CRNG_RESEED_INTERVAL))
-		crng_reseed(&primary_crng, &input_pool);
-}
-
 static inline void crng_wait_ready(void)
 {
 	wait_event_interruptible(crng_init_wait, crng_ready());