[media] cxusb: don't do DMA on stack

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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>

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This commit is contained in:

Mauro Carvalho Chehab 2016-10-07 06:30:27 -03:00

parent 0d43c0ff8b

commit 17ce039b4e

2 changed files with 41 additions and 27 deletions

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62

drivers/media/usb/dvb-usb/cxusb.c

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6

drivers/media/usb/dvb-usb/cxusb.h

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