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

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As reported by smatch:
	drivers/media/usb/usbtv/usbtv-video.c:716 usbtv_s_ctrl() error: doing dma on the stack (data)
	drivers/media/usb/usbtv/usbtv-video.c:758 usbtv_s_ctrl() error: doing dma on the stack (data)

We should not do it, as it won't work on Kernels 4.9 and upper.
So, alloc a buffer for it.

Fixes: c53a846c48 ("[media] usbtv: add video controls")
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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This commit is contained in:

Mauro Carvalho Chehab 2016-11-16 13:13:02 -02:00

parent c53a846c48

commit 62de7d99dc

1 changed files with 13 additions and 5 deletions

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drivers/media/usb/usbtv/usbtv-video.c

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