From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amit Shah Subject: Re: [PATCH v2 1/2] hwrng: fetch randomness only after device init Date: Wed, 9 Jul 2014 18:38:22 +0530 Message-ID: <20140709130822.GA4553@grmbl.mre> References: <515a12ecc5fca5452bf0bfda4d54546d8fb5829c.1404538109.git.amit.shah@redhat.com> <20140709115317.GM13433@titan.lakedaemon.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20140709115317.GM13433@titan.lakedaemon.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Jason Cooper Cc: herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Virtualization List , keescook@chromium.org List-Id: virtualization@lists.linuxfoundation.org On (Wed) 09 Jul 2014 [07:53:17], Jason Cooper wrote: > On Sat, Jul 05, 2014 at 11:04:52AM +0530, Amit Shah wrote: > > Commit d9e7972619334 "hwrng: add randomness to system from rng sources" > > added a call to rng_get_data() from the hwrng_register() function. > > However, some rng devices need initialization before data can be read > > from them. > > > > This commit makes the call to rng_get_data() depend on no init fn > > pointer being registered by the device. If an init function is > > registered, this call is made after device init. > > > > CC: Kees Cook > > CC: Jason Cooper > > CC: Herbert Xu > > CC: # For v3.15+ > > Signed-off-by: Amit Shah > > --- > > drivers/char/hw_random/core.c | 31 +++++++++++++++++++++++++------ > > 1 file changed, 25 insertions(+), 6 deletions(-) > > Thanks for cleaning this up! Thanks! Any thoughts on the follow-up patch posted later that resolves some of the weirdness in init? Amit