Re: [PATCH v3 1/2] hwrng: fetch randomness only after device init

[Jason Cooper]

On Thu, Jul 10, 2014 at 03:42:34PM +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 <keescook@xxxxxxxxxxxx>
> CC: Jason Cooper <jason@xxxxxxxxxxxxxx>
> CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> CC: <stable@xxxxxxxxxxxxxxx> # For v3.15+
> Signed-off-by: Amit Shah <amit.shah@xxxxxxxxxx>
> ---
>  drivers/char/hw_random/core.c | 41 +++++++++++++++++++++++++++++++++--------
>  1 file changed, 33 insertions(+), 8 deletions(-)

Reviewed-by: Jason Cooper <jason@xxxxxxxxxxxxxx>

thx,

Jason.
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