linux-kernel - [PATCH 4.9 036/264] drivers/char/random.c: constify poolinfo

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Date:   Thu, 23 Jun 2022 18:40:29 +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,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Theodore Tso <tytso@....edu>,
        "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH 4.9 036/264] drivers/char/random.c: constify poolinfo_table

From: Rasmus Villemoes <linux@...musvillemoes.dk>

commit 26e0854ab3310bbeef1ed404a2c87132fc91f8e1 upstream.

Never modified, might as well be put in .rodata.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
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 |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -360,7 +360,7 @@ static int random_write_wakeup_bits = 28
  * polynomial which improves the resulting TGFSR polynomial to be
  * irreducible, which we have made here.
  */
-static struct poolinfo {
+static const struct poolinfo {
 	int poolbitshift, poolwords, poolbytes, poolbits, poolfracbits;
 #define S(x) ilog2(x)+5, (x), (x)*4, (x)*32, (x) << (ENTROPY_SHIFT+5)
 	int tap1, tap2, tap3, tap4, tap5;