Open Menu /

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 45 files:

Smatch caller information:

drivers/media/v4l2-core/v4l2-ioctl.c v4l_querybuf() -> (struct v4l2_ioctl_ops)->vidioc_querybuf()

Type Parameter Key Value
PARAM_VALUE 0 file 4096-ptr_max
PARAM_VALUE 1 priv 0
PARAM_VALUE 2 buf 4096-ptr_max
PARAM_VALUE 2 buf->type 1-2,4-14
BUF_SIZE 2 buf (-1),128-16383
BUF_SIZE 2 buf (-1),128-16383
DATA_SOURCE 0 file $1
DATA_SOURCE 2 buf $2
USER_DATA 2 buf->bytesused 0-u32max[u]
USER_DATA 2 buf->field 0-u32max[u]
USER_DATA 2 buf->flags 0-u32max[u]
USER_DATA 2 buf->index 0-u32max[u]
USER_DATA 2 buf->length 0-u32max[u]
USER_DATA 2 buf->m.fd s32min-s32max[u]
USER_DATA 2 buf->m.offset 0-u32max[u]
USER_DATA 2 buf->m.userptr 0-u64max[u]
USER_DATA 2 buf->memory 0-u32max[u]
USER_DATA 2 buf->request_fd s32min-s32max[u]
USER_DATA 2 buf->reserved 0-u32max[u]
USER_DATA 2 buf->reserved2 0-u32max[u]
USER_DATA 2 buf->sequence 0-u32max[u]
USER_DATA 2 buf->timecode.flags 0-u32max[u]
USER_DATA 2 buf->timecode.frames 0-255[u]
USER_DATA 2 buf->timecode.hours 0-255[u]
USER_DATA 2 buf->timecode.minutes 0-255[u]
USER_DATA 2 buf->timecode.seconds 0-255[u]
USER_DATA 2 buf->timecode.type 0-u32max[u]
USER_DATA 2 buf->timestamp.tv_sec s64min-s64max[u]
USER_DATA 2 buf->timestamp.tv_usec s64min-s64max[u]
USER_DATA 2 buf->type 1-2,4-14[u]
USER_PTR 2 buf
HALF_LOCKED2 lock
HALF_LOCKED2 req_queue_lock