Re: [PATCH 3/5] hwrng: core - Do not register device opportunistically
From: Herbert Xu
Date: Thu Dec 25 2014 - 20:01:14 EST
On Wed, Dec 24, 2014 at 09:59:41AM +1030, Rusty Russell wrote:
> Does this break userspace by creating a device which will just return
> -ENODEV on read? Sure, callers *should* handle it...
If somebody complains we could easily fix this by making open
fail. In fact, if such applications exist then they're likely
to want to hold onto a reference to the RNG after then open...
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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