hwrng: stm32 - use logical OR in conditional

The conditional is used to check whether err is non-zero OR whether
reg variable is non-zero after clearing bits from it. This should be
done using logical OR, not bitwise OR, fix it.

Fixes: 6b85a7e ("hwrng: stm32 - implement STM32MP13x support")
Signed-off-by: Marek Vasut <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

Author: Marek Vasut

drivers/char/hw_random/stm32-rng.c

@@ -353,7 +353,7 @@ static int stm32_rng_init(struct hwrng *rng)
 	err = readl_relaxed_poll_timeout_atomic(priv->base + RNG_SR, reg,
 						reg & RNG_SR_DRDY,
 						10, 100000);
-	if (err | (reg & ~RNG_SR_DRDY)) {
+	if (err || (reg & ~RNG_SR_DRDY)) {
 		clk_disable_unprepare(priv->clk);
 		dev_err((struct device *)priv->rng.priv,
 			"%s: timeout:%x SR: %x!\n", __func__, err, reg);