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From: Thorsten Blum <blum@kernel.org>
To: Olivia Mackall <olivia@selenic.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Can Peng <pengcan@kylinos.cn>, Linus Walleij <linusw@kernel.org>
Cc: Thorsten Blum <blum@kernel.org>,
	linux-crypto@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] hwrng: stm32 - drop redundant initializations
Date: Fri,  2 Oct 2026 16:35:53 +0200	[thread overview]
Message-ID: <20261002143556.43214-2-blum@kernel.org> (raw)

The variables are reassigned before their initial values are read - drop
the redundant initializations.

Signed-off-by: Thorsten Blum <blum@kernel.org>
---
 drivers/char/hw_random/stm32-rng.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c
index f5bfe54c01dc..d3fc910f674a 100644
--- a/drivers/char/hw_random/stm32-rng.c
+++ b/drivers/char/hw_random/stm32-rng.c
@@ -156,7 +156,7 @@ static int stm32_rng_conceal_seed_error_cond_reset(struct stm32_rng_private *pri
  */
 static int stm32_rng_conceal_seed_error_sw_reset(struct stm32_rng_private *priv)
 {
-	unsigned int i = 0;
+	unsigned int i;
 	u32 sr = readl_relaxed(priv->base + RNG_SR);
 
 	writel_relaxed(sr & ~RNG_SR_SEIS, priv->base + RNG_SR);
@@ -187,7 +187,7 @@ static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
 {
 	struct stm32_rng_private *priv = container_of(rng, struct stm32_rng_private, rng);
 	unsigned int i = 0;
-	int retval = 0, err = 0;
+	int retval, err;
 	u32 sr;
 
 	retval = pm_runtime_resume_and_get(priv->dev);
@@ -264,7 +264,7 @@ static uint stm32_rng_clock_freq_restrain(struct hwrng *rng)
 {
 	struct stm32_rng_private *priv =
 	    container_of(rng, struct stm32_rng_private, rng);
-	unsigned long clock_rate = 0;
+	unsigned long clock_rate;
 	uint clock_div = 0;
 
 	clock_rate = clk_get_rate(priv->clk_bulk[0].clk);

             reply	other threads:[~2026-10-02 14:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-02 14:35 Thorsten Blum [this message]
2026-10-08  8:33 ` [PATCH] hwrng: stm32 - drop redundant initializations Herbert Xu

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