vb2 fixes

Various vb2 fixes. I've asked Marek if I could take care of these since I have more vb2 patches pending.

Regards,

Hans

The following changes since commit 3f823e094b935c1882605f8720336ee23433a16d:

[media] exynos4-is: Simplify fimc-is hardware polling helpers (2013-12-04 15:54:19 -0200)

are available in the git repository at:

git://linuxtv.org/hverkuil/media_tree.git vb2

for you to fetch changes up to 46b150a09ec3c12053a334e5f545cc84f3c959e3:

videobuf2-dma-sg: Support io userptr operations on io memory (2013-12-09 13:25:18 +0100)

----------------------------------------------------------------
Ricardo Ribalda (4):
videobuf2-dma-sg: Fix typo on debug message
vb2: Return 0 when streamon and streamoff are already on/off
videobuf2: Add missing lock held on vb2_fop_release
videobuf2-dma-sg: Support io userptr operations on io memory

Seung-Woo Kim (1):
videobuf2: Add log for size checking error in __qbuf_dmabuf

 drivers/media/platform/exynos4-is/fimc-capture.c |  2 +-
 drivers/media/platform/exynos4-is/fimc-lite.c    |  2 +-
 drivers/media/v4l2-core/videobuf2-core.c         | 25 ++++++++++++++++++++-----
 drivers/media/v4l2-core/videobuf2-dma-sg.c       | 53 ++++++++++++++++++++++++++++++++++++++++++++++++-----
 include/media/videobuf2-core.h                   |  1 +
 5 files changed, 71 insertions(+), 12 deletions(-)