V4L/DVB: uvcvideo: Don't use stack-based buffers for USB transfers

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Data buffers on the stack are not allowed for USB I/O. Use dynamically
allocated buffers instead when querying control length and control
capabilities.

The control capabilities are now also stored in the uvc_control
structure.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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This commit is contained in:

Laurent Pinchart 2010-06-18 11:31:24 -03:00 • committed by Mauro Carvalho Chehab

parent 1b4e21c4f6

commit b30ece5394

3 changed files with 38 additions and 19 deletions

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51

drivers/media/video/uvc/uvc_ctrl.c

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3

drivers/media/video/uvc/uvc_v4l2.c

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3

drivers/media/video/uvc/uvcvideo.h

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