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SubjectRe: [PATCH] hw_random: atmel-rng: fix race condition leading to repeated bits
On Fri, May 25, 2012 at 11:12:38AM +0200, Peter Korsgaard wrote:
> Data valid gets cleared by reading the ISR (status register) and NOT from
> reading ODATA (data register). A new data word can become available between
> checking ISR and reading ODATA, causing us to reuse the same data word next
> time atmel_trng_read() gets called, if that happens before the following
> data word is ready.

Patch applied crypto. Thanks!
--
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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