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(parent: c53a846) | patch
[media] usbtv: don't do DMA on stack
authorMauro Carvalho Chehab <mchehab@s-opensource.com>
Wed, 16 Nov 2016 15:13:02 +0000 (13:13 -0200)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Wed, 16 Nov 2016 15:16:22 +0000 (13:16 -0200)
commit62de7d99dcfe5ceff0c40d27a819a2256c8dfc73
tree84e6fe6f778dacaf4cc870d3b5cbddea82aec827tree | snapshot
parentc53a846c48f21c909102677c127ece94b1247668commit | diff
[media] usbtv: don't do DMA on stack

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: c53a846c48f2 ("[media] usbtv: add video controls")
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/usb/usbtv/usbtv-video.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git