2016-05-24 12:09 GMT+02:00 Daniel Thompson <daniel.thompson@xxxxxxxxxx>: > On 24/05/16 09:50, Maxime Coquelin wrote: >> >> diff --git a/drivers/char/hw_random/stm32-rng.c >> b/drivers/char/hw_random/stm32-rng.c >> index 92a810648bd0..2a0fc90e4dc3 100644 >> --- a/drivers/char/hw_random/stm32-rng.c >> +++ b/drivers/char/hw_random/stm32-rng.c >> @@ -68,6 +68,10 @@ static int stm32_rng_read(struct hwrng *rng, void >> *data, size_t max, bool wait) >> } while (!sr && --timeout); >> } >> >> + if (WARN_ONCE(sr & (RNG_SR_SEIS | RNG_SR_CEIS), >> + "bad RNG status - %x\n", sr)) >> + writel_relaxed(0, priv->base + RNG_SR); >> + >> /* If error detected or data not ready... */ >> if (sr != RNG_SR_DRDY) >> break; > > > Minor quibble but I might prefer that the error handling/recovery actually > be put on the error path itself (included in the if (sr != RNG_SR_DRDY) ). Yes, it would be better. Regards, Maxime -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
