Re: [PATCH] hwrng: core - reject unknown RNG names

[Herbert Xu]

On Thu, Sep 24, 2026 at 11:21:13PM +0200, Thorsten Blum wrote:
> In rng_current_store(), err is 0 after successfully locking rng_mutex,
> and if the requested RNG name cannot be found, the function reports
> success even though the current RNG was not changed.
> 
> Set err = -ENODEV before searching the RNG list to reject unknown names.
> 
> Fixes: 142a27f0a731 ("hwrng: core - Reset user selected rng by writing "" to rng_current")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Thorsten Blum <blum@xxxxxxxxxx>
> ---
>  drivers/char/hw_random/core.c | 1 +
>  1 file changed, 1 insertion(+)

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