linux-kernel - [PATCH] crypto: rng - fix documentation for crypto_rng

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Message-ID: <20250430115953.1180650-1-ovidiu.panait.oss@gmail.com>
Date: Wed, 30 Apr 2025 14:59:53 +0300
From: Ovidiu Panait <ovidiu.panait.oss@...il.com>
To: herbert@...dor.apana.org.au,
	davem@...emloft.net,
	linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Ovidiu Panait <ovidiu.panait.oss@...il.com>
Subject: [PATCH] crypto: rng - fix documentation for crypto_rng_alg()

Current documentation states that crypto_rng_alg() returns the cra_name of
the rng algorithm, but it actually returns a 'struct rng_alg' pointer from
a RNG handle.

Update documentation to reflect this.

Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@...il.com>
---
 include/crypto/rng.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/include/crypto/rng.h b/include/crypto/rng.h
index 5ac4388f50e1..f8224cc390f8 100644
--- a/include/crypto/rng.h
+++ b/include/crypto/rng.h
@@ -102,12 +102,10 @@ static inline struct rng_alg *__crypto_rng_alg(struct crypto_alg *alg)
 }
 
 /**
- * crypto_rng_alg - obtain name of RNG
- * @tfm: cipher handle
- *
- * Return the generic name (cra_name) of the initialized random number generator
+ * crypto_rng_alg() - obtain 'struct rng_alg' pointer from RNG handle
+ * @tfm: RNG handle
  *
- * Return: generic name string
+ * Return: Pointer to 'struct rng_alg', derived from @tfm RNG handle
  */
 static inline struct rng_alg *crypto_rng_alg(struct crypto_rng *tfm)
 {
-- 
2.48.1