[PATCH] hwrng: stm32 - rename readl return value

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Use a more meaningful name for the readl return value variable.

Link: https://lore.kernel.org/all/Y1J3QwynPFIlfrIv@xxxxxxxxxxxxxxxxxxxxxxxxxx/

Signed-off-by: Tomas Marek <tomas.marek@xxxxxxxxx>
---
 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 366edda4848b..a6731cf0627a 100644
--- a/drivers/char/hw_random/stm32-rng.c
+++ b/drivers/char/hw_random/stm32-rng.c
@@ -49,13 +49,13 @@ static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
 		/* Manage timeout which is based on timer and take */
 		/* care of initial delay time when enabling rng	*/
 		if (!sr && wait) {
-			int ret;
+			int err;
 
-			ret = readl_relaxed_poll_timeout_atomic(priv->base
+			err = readl_relaxed_poll_timeout_atomic(priv->base
 								   + RNG_SR,
 								   sr, sr,
 								   10, 50000);
-			if (ret)
+			if (err)
 				dev_err((struct device *)priv->rng.priv,
 					"%s: timeout %x!\n", __func__, sr);
 		}
-- 
2.25.1




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