Mauro Carvalho Chehab 5d0f2df471 [media] technisat-usb2: don't do DMA on the stack
As warned by smatch:
	drivers/media/usb/dvb-usb/technisat-usb2.c:263 technisat_usb2_set_led() error: doing dma on the stack (led)
	drivers/media/usb/dvb-usb/technisat-usb2.c:280 technisat_usb2_set_led_timer() error: doing dma on the stack (&b)
	drivers/media/usb/dvb-usb/technisat-usb2.c:341 technisat_usb2_identify_state() error: doing dma on the stack (version)
	drivers/media/usb/dvb-usb/technisat-usb2.c:609 technisat_usb2_get_ir() error: doing dma on the stack (buf)
	drivers/media/usb/dvb-usb/technisat-usb2.c:619 technisat_usb2_get_ir() error: doing dma on the stack (buf)

Create a buffer at the device state and use it for all the DMA
transfers.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-03-01 12:00:34 -03:00
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