Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/crypto/rng.c b/crypto/rng.c
index b4a6186..1e21231 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Cryptographic API.
*
@@ -5,12 +6,6 @@
*
* Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
* Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
*/
#include <linux/atomic.h>
@@ -35,9 +30,11 @@
int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen)
{
+ struct crypto_alg *alg = tfm->base.__crt_alg;
u8 *buf = NULL;
int err;
+ crypto_stats_get(alg);
if (!seed && slen) {
buf = kmalloc(slen, GFP_KERNEL);
if (!buf)
@@ -50,6 +47,7 @@
}
err = crypto_rng_alg(tfm)->seed(tfm, seed, slen);
+ crypto_stats_rng_seed(alg, err);
out:
kzfree(buf);
return err;
@@ -73,17 +71,13 @@
{
struct crypto_report_rng rrng;
- strncpy(rrng.type, "rng", sizeof(rrng.type));
+ memset(&rrng, 0, sizeof(rrng));
+
+ strscpy(rrng.type, "rng", sizeof(rrng.type));
rrng.seedsize = seedsize(alg);
- if (nla_put(skb, CRYPTOCFGA_REPORT_RNG,
- sizeof(struct crypto_report_rng), &rrng))
- goto nla_put_failure;
- return 0;
-
-nla_put_failure:
- return -EMSGSIZE;
+ return nla_put(skb, CRYPTOCFGA_REPORT_RNG, sizeof(rrng), &rrng);
}
#else
static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)