Re: [PATCH] hwrng: arm-smccc-trng - fix NO_ENTROPY handling

From: Herbert Xu
Date: Fri Aug 19 2022 - 07:01:34 EST


On Mon, Aug 01, 2022 at 08:04:18PM +0000, James Cowgill wrote:
> The SMCCC_RET_TRNG_NO_ENTROPY switch arm is never used because the
> NO_ENTROPY return value is negative and negative values are handled
> above the switch by immediately returning.
>
> Fix by handling errors using a default arm in the switch.
>
> Fixes: 0888d04b47a1 ("hwrng: Add Arm SMCCC TRNG based driver")
> Signed-off-by: James Cowgill <james.cowgill@xxxxxxxxxx>
> ---
> drivers/char/hw_random/arm_smccc_trng.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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