Messages in this thread | | | Date | Mon, 28 Jul 2014 11:49:29 +0200 | From | Torsten Duwe <> | Subject | Re: [PATCH] hwrng: Pass entropy to add_hwgenerator_randomness() in bits, not bytes |
| |
On Fri, Jul 25, 2014 at 03:19:18PM -0700, Stephen Boyd wrote: > rng_get_data() returns the number of bytes read from the hardware. > The entropy argument to add_hwgenerator_randomness() is passed > directly to credit_entropy_bits() so we should be passing the > number of bits, not bytes here.
Absolutely correct.
Acked-by: Torsten Duwe <duwe@suse.de>
> Fixes: be4000bc464 "hwrng: create filler thread" > Cc: Torsten Duwe <duwe@suse.de> > Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> > --- > drivers/char/hw_random/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c > index dc80cdab733d..6e02ec103cc7 100644 > --- a/drivers/char/hw_random/core.c > +++ b/drivers/char/hw_random/core.c > @@ -362,7 +362,7 @@ static int hwrng_fillfn(void *unused) > continue; > } > add_hwgenerator_randomness((void *)rng_fillbuf, rc, > - (rc*current_quality)>>10); > + rc * current_quality * 8 >> 10); > } > hwrng_fill = NULL; > return 0; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > hosted by The Linux Foundation > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
| |