debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/include/crypto/rng.h
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@@ -1,14 +1,9 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * RNG: Random Number Generator  algorithms under the crypto API
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  *
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  * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
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  * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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- *
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  */
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 #ifndef _CRYPTO_RNG_H
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@@ -142,7 +137,13 @@
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 				      const u8 *src, unsigned int slen,
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 				      u8 *dst, unsigned int dlen)
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 {
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-	return crypto_rng_alg(tfm)->generate(tfm, src, slen, dst, dlen);
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+	struct crypto_alg *alg = tfm->base.__crt_alg;
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+	int ret;
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+
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+	crypto_stats_get(alg);
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+	ret = crypto_rng_alg(tfm)->generate(tfm, src, slen, dst, dlen);
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+	crypto_stats_rng_generate(alg, dlen, ret);
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+	return ret;
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 }
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 /**