[PATCH] hwrng: optee-rng: remove redundant initialization to variable rng_size

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Variable rng_size is being initialized with a value that is never read,
the variable is being re-assigned later on. The initialization is
redundant and can be removed.

Cleans up cppcheck warning:
Variable 'rng_size' is assigned a value that is never used.

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
 drivers/char/hw_random/optee-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
index a948c0727b2b..96b5d546d136 100644
--- a/drivers/char/hw_random/optee-rng.c
+++ b/drivers/char/hw_random/optee-rng.c
@@ -115,7 +115,7 @@ static size_t get_optee_rng_data(struct optee_rng_private *pvt_data,
 static int optee_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
 {
 	struct optee_rng_private *pvt_data = to_optee_rng_private(rng);
-	size_t read = 0, rng_size = 0;
+	size_t read = 0, rng_size;
 	int timeout = 1;
 	u8 *data = buf;
 
-- 
2.35.1




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