hwrng: cctrng - drop redundant initializations

PATCH Superseded Thorsten Blum 1 participant 1 message Sep 30

Subsystems (3)

Crypto API Hardware random number generator core Cctrng Arm trustzone cryptocell true random number generator (trng) driver

lore

Share & tools

lore

Thorsten Blum

author

2026-09-30 20:02 UTC #0 lore raw

PATCH 1/1 hwrng: cctrng - drop redundant initializations

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

Signed-off-by Thorsten Blum <[email protected]>

---
 drivers/char/hw_random/cctrng.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

drivers/char/hw_random/cctrng.c +4 -4

index 51290ea345c3..829b9b86dc96 100644
@@ -91,7 +91,7 @@ static int cc_trng_pm_get(struct device *dev)
 
 static void cc_trng_pm_put_suspend(struct device *dev)
 {
-	int rc = 0;
+	int rc;
 
 	rc = pm_runtime_put_autosuspend(dev);
 	if (rc)

@@ -208,7 +208,7 @@ static int cctrng_read(struct hwrng *rng, void *data, size_t max, bool wait)
 	struct cctrng_drvdata *drvdata = (struct cctrng_drvdata *)rng->priv;
 	struct device *dev = &(drvdata->pdev->dev);
 	u32 *buf = (u32 *)drvdata->circ.buf;
-	size_t copied = 0;
+	size_t copied;
 	size_t cnt_w;
 	size_t size;
 	size_t left;

@@ -309,8 +309,8 @@ static void cc_trng_hw_trigger(struct cctrng_drvdata *drvdata)
 
 static void cc_trng_compwork_handler(struct work_struct *w)
 {
-	u32 isr = 0;
-	u32 ehr_valid = 0;
+	u32 isr;
+	u32 ehr_valid;
 	struct cctrng_drvdata *drvdata =
 			container_of(w, struct cctrng_drvdata, compwork);
 	struct device *dev = &(drvdata->pdev->dev);