Em Sat, 15 Oct 2016 22:54:49 +0200
Johannes Stezenbach escreveu:
> On Tue, Oct 11, 2016 at 07:09:17AM -0300, Mauro Carvalho Chehab wrote:
> > --- a/drivers/media/usb/dvb-usb/cinergyT2-core.c
> > +++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c
> > @@ -41,6 +41,8 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(a
On Tue, Oct 11, 2016 at 07:09:17AM -0300, Mauro Carvalho Chehab wrote:
> --- a/drivers/media/usb/dvb-usb/cinergyT2-core.c
> +++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c
> @@ -41,6 +41,8 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
>
> struct cinergyt2_state {
> u8 rc_counter;
> +
The USB control messages require DMA to work. We cannot pass
a stack-allocated buffer, as it is not warranted that the
stack would be into a DMA enabled area.
Reviewed-By: Patrick Boettcher
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/usb/dvb-usb/cinergyT2-core.c | 84
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