[media] pctv452e: don't do DMA on stack
authorMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 7 Oct 2016 14:59:44 +0000 (11:59 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 14 Oct 2016 15:46:52 +0000 (12:46 -0300)
commit73d5c5c864f4094e86708760fd4612fbf1e6e76c
tree2d6677d699a2994e5d8d3ca6012ed5eff6387525
parentc3a66e9f465e7e792dff6ccd571bc657e6504c7b
[media] pctv452e: don't do DMA on stack

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 <patrick.boettcher@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/usb/dvb-usb/pctv452e.c