__buf_prepare 1339 drivers/media/common/videobuf2/videobuf2-core.c ret = __buf_prepare(vb); __buf_prepare 1435 drivers/media/common/videobuf2/videobuf2-core.c ret = __buf_prepare(vb); __buf_prepare 1597 drivers/media/common/videobuf2/videobuf2-core.c ret = __buf_prepare(vb);