Messages in this thread | | | Date | Fri, 26 Dec 2014 12:00:56 +1100 | From | Herbert Xu <> | Subject | Re: [PATCH 3/5] hwrng: core - Do not register device opportunistically |
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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...
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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