Re: [PATCH v2] hwrng: core - Do not read data during PM sleep transition

[Herbert Xu]

On Mon, Jun 01, 2026 at 03:19:13PM +0200, Thomas Richard (TI) wrote:
>
> @@ -538,8 +539,9 @@ static int hwrng_fillfn(void *unused)
>  		}
>  
>  		mutex_lock(&reading_mutex);
> -		rc = rng_get_data(rng, rng_fillbuf,
> -				  rng_buffer_size(), 1);
> +		if (!pm_sleep_transition_in_progress())
> +			rc = rng_get_data(rng, rng_fillbuf,
> +					  rng_buffer_size(), 1);

Sashiko asks how this can be safe given that there is no locking
at all.  That's exactly what I was going to ask :)

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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