[media] s2255drv: don't use stack for DMA
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>
Mon, 10 Oct 2016 14:11:13 +0000 (11:11 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 14 Oct 2016 15:52:28 +0000 (12:52 -0300)
commitdb65c49e442cf9c9d9dc950f67daf109609f982a
treedbe7d1944232777e1533e43fbc475a3c17f4634d
parent45ae4a5220a43ae79dacb69054a2c7928dd91c94
[media] s2255drv: don't use stack for DMA

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.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/usb/s2255/s2255drv.c