| commit | 62de7d99dcfe5ceff0c40d27a819a2256c8dfc73 | [log] [tgz] |
|---|---|---|
| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | Wed Nov 16 13:13:02 2016 -0200 |
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | Wed Nov 16 13:16:22 2016 -0200 |
| tree | 84e6fe6f778dacaf4cc870d3b5cbddea82aec827 | |
| parent | c53a846c48f21c909102677c127ece94b1247668 [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>