uvc_scan_chain_forward identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/media/usb/uvc/uvc_driver.c, line 1512 (as a function)

Referenced in 1 files:

drivers/media/usb/uvc/uvc_driver.c
- line 1654
- line 1713

Smatch caller information:

drivers/media/usb/uvc/uvc_driver.c uvc_scan_chain() -> uvc_scan_chain_forward()

Type	Parameter	Key	Value
PARAM_VALUE	0	chain	4096-ptr_max
PARAM_VALUE	0	chain->ctrl_mutex.dep_map->name	0-255
PARAM_VALUE	0	chain->ctrl_mutex.first_waiter	0
PARAM_VALUE	0	chain->ctrl_mutex.magic	4096-ptr_max
PARAM_VALUE	0	chain->ctrl_mutex.osq.tail.counter	0
PARAM_VALUE	0	chain->ctrl_mutex.owner.counter	0
PARAM_VALUE	0	chain->dev	4096-ptr_max
PARAM_VALUE	0	chain->dev->chains.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->chains.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->entities.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->entities.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->info	4096-ptr_max
PARAM_VALUE	0	chain->dev->int_ep	4096-ptr_max
PARAM_VALUE	0	chain->dev->intf	4096-ptr_max
PARAM_VALUE	0	chain->dev->intfnum	0-255
PARAM_VALUE	0	chain->dev->mdev.dev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entities.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entities.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entity_internal_idx.xa.xa_flags	33554437
PARAM_VALUE	0	chain->dev->mdev.entity_notify.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entity_notify.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.graph_mutex.magic	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.hw_revision	0-u16max
PARAM_VALUE	0	chain->dev->mdev.interfaces.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.interfaces.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.links.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.links.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.num_requests.counter	0
PARAM_VALUE	0	chain->dev->mdev.pads.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.pads.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.req_queue_mutex.magic	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.request_id.counter	0
PARAM_VALUE	0	chain->dev->nmappings.counter	0
PARAM_VALUE	0	chain->dev->quirks	0-4294967294
PARAM_VALUE	0	chain->dev->ref.refcount.refs.counter	1
PARAM_VALUE	0	chain->dev->streams.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->streams.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->vdev.dev	4096-ptr_max
PARAM_VALUE	0	chain->dev->vdev.mdev	4096-ptr_max
PARAM_VALUE	0	chain->dev->vdev.ref.refcount.refs.counter	1
PARAM_VALUE	0	chain->dev->vdev.subdevs.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->vdev.subdevs.prev	4096-ptr_max
PARAM_VALUE	0	chain->processing->camera.wObjectiveFocalLengthMax	0-255
PARAM_VALUE	0	chain->processing->camera.wObjectiveFocalLengthMin	0-255
PARAM_VALUE	0	chain->processing->camera.wOcularFocalLength	0-255
PARAM_VALUE	0	chain->processing->gpio.bControlSize	0-1
PARAM_VALUE	0	chain->processing->gpio.initialized	0
PARAM_VALUE	0	chain->processing->gpio.irq	0-s32max
PARAM_VALUE	0	chain->processing->processing.wMaxMultiplier	0-255
PARAM_VALUE	0	chain->selector->camera.wObjectiveFocalLengthMax	0-255
PARAM_VALUE	0	chain->selector->camera.wObjectiveFocalLengthMin	0-255
PARAM_VALUE	0	chain->selector->camera.wOcularFocalLength	0-255
PARAM_VALUE	0	chain->selector->gpio.bControlSize	0-1
PARAM_VALUE	0	chain->selector->gpio.initialized	0
PARAM_VALUE	0	chain->selector->gpio.irq	0-s32max
PARAM_VALUE	0	chain->selector->processing.wMaxMultiplier	0-255
PARAM_VALUE	1	entity	4096-ptr_max
PARAM_VALUE	1	entity->camera.wObjectiveFocalLengthMax	0-255
PARAM_VALUE	1	entity->camera.wObjectiveFocalLengthMin	0-255
PARAM_VALUE	1	entity->camera.wOcularFocalLength	0-255
PARAM_VALUE	1	entity->gpio.bControlSize	1
PARAM_VALUE	1	entity->gpio.irq	1-s32max
PARAM_VALUE	1	entity->id	0-u16max
PARAM_VALUE	1	entity->processing.wMaxMultiplier	0-255
PARAM_VALUE	1	entity->type	256-u16max
PARAM_VALUE	2	prev	0,4096-ptr_max
PARAM_VALUE	2	prev->camera.wObjectiveFocalLengthMax	0-255
PARAM_VALUE	2	prev->camera.wObjectiveFocalLengthMin	0-255
PARAM_VALUE	2	prev->camera.wOcularFocalLength	0-255
PARAM_VALUE	2	prev->gpio.bControlSize	1
PARAM_VALUE	2	prev->gpio.irq	1-s32max
PARAM_VALUE	2	prev->processing.wMaxMultiplier	0-255
PARAM_VALUE	2	prev->type	256-u16max
BUF_SIZE	0	chain	232
BUF_SIZE	0	chain->dev	1720
CAPPED_DATA	0	chain->dev->quirks	1
CAPPED_DATA	1	entity	1
DATA_SOURCE	0	chain	$0
RX_PATH
TASK_NOT_RUNNING

drivers/media/usb/uvc/uvc_driver.c uvc_scan_chain_backward() -> uvc_scan_chain_forward()

Type	Parameter	Key	Value
PARAM_VALUE	0	chain	4096-ptr_max
PARAM_VALUE	0	chain->ctrl_mutex.dep_map->name	0-255
PARAM_VALUE	0	chain->ctrl_mutex.first_waiter	0
PARAM_VALUE	0	chain->ctrl_mutex.magic	4096-ptr_max
PARAM_VALUE	0	chain->ctrl_mutex.osq.tail.counter	0
PARAM_VALUE	0	chain->ctrl_mutex.owner.counter	0
PARAM_VALUE	0	chain->dev	4096-ptr_max
PARAM_VALUE	0	chain->dev->chains.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->chains.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->clock_frequency	0-255
PARAM_VALUE	0	chain->dev->entities.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->entities.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->info	4096-ptr_max
PARAM_VALUE	0	chain->dev->int_ep	4096-ptr_max
PARAM_VALUE	0	chain->dev->intf	4096-ptr_max
PARAM_VALUE	0	chain->dev->intfnum	0-255
PARAM_VALUE	0	chain->dev->mdev.dev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entities.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entities.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entity_internal_idx.xa.xa_flags	33554437
PARAM_VALUE	0	chain->dev->mdev.entity_notify.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.entity_notify.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.graph_mutex.magic	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.hw_revision	0-u16max
PARAM_VALUE	0	chain->dev->mdev.interfaces.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.interfaces.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.links.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.links.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.num_requests.counter	0
PARAM_VALUE	0	chain->dev->mdev.pads.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.pads.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.req_queue_mutex.magic	4096-ptr_max
PARAM_VALUE	0	chain->dev->mdev.request_id.counter	0
PARAM_VALUE	0	chain->dev->nmappings.counter	0
PARAM_VALUE	0	chain->dev->quirks	0-4294967294
PARAM_VALUE	0	chain->dev->ref.refcount.refs.counter	1
PARAM_VALUE	0	chain->dev->streams.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->streams.prev	4096-ptr_max
PARAM_VALUE	0	chain->dev->uvc_version	0-255
PARAM_VALUE	0	chain->dev->vdev.dev	4096-ptr_max
PARAM_VALUE	0	chain->dev->vdev.mdev	4096-ptr_max
PARAM_VALUE	0	chain->dev->vdev.ref.refcount.refs.counter	1
PARAM_VALUE	0	chain->dev->vdev.subdevs.next	4096-ptr_max
PARAM_VALUE	0	chain->dev->vdev.subdevs.prev	4096-ptr_max
PARAM_VALUE	0	chain->entities.next	4096-ptr_max
PARAM_VALUE	0	chain->entities.next->next	4096-ptr_max
PARAM_VALUE	0	chain->entities.prev->next	4096-ptr_max
PARAM_VALUE	0	chain->entities.prev->next->next	4096-ptr_max
PARAM_VALUE	0	chain->entities.prev->prev	4096-ptr_max
PARAM_VALUE	0	chain->processing->camera.wObjectiveFocalLengthMax	0-255
PARAM_VALUE	0	chain->processing->camera.wObjectiveFocalLengthMin	0-255
PARAM_VALUE	0	chain->processing->camera.wOcularFocalLength	0-255
PARAM_VALUE	0	chain->processing->gpio.bControlSize	0-1
PARAM_VALUE	0	chain->processing->gpio.initialized	0
PARAM_VALUE	0	chain->processing->gpio.irq	0-s32max
PARAM_VALUE	0	chain->processing->processing.wMaxMultiplier	0-255
PARAM_VALUE	0	chain->selector	4096-ptr_max
PARAM_VALUE	0	chain->selector->bNrInPins	0,2-255
PARAM_VALUE	0	chain->selector->camera.wObjectiveFocalLengthMax	0-255
PARAM_VALUE	0	chain->selector->camera.wObjectiveFocalLengthMin	0-255
PARAM_VALUE	0	chain->selector->camera.wOcularFocalLength	0-255
PARAM_VALUE	0	chain->selector->gpio.bControlSize	1
PARAM_VALUE	0	chain->selector->gpio.initialized	0
PARAM_VALUE	0	chain->selector->gpio.irq	1-s32max
PARAM_VALUE	0	chain->selector->processing.wMaxMultiplier	0-255
PARAM_VALUE	1	entity	4096-ptr_max
PARAM_VALUE	1	entity->chain.next	0,4096-ptr_max
PARAM_VALUE	1	entity->id	0-255
PARAM_VALUE	1	entity->type	256-u16max
PARAM_VALUE	2	prev	4096-ptr_max
PARAM_VALUE	2	prev->bNrInPins	2-255
PARAM_VALUE	2	prev->baSourceID	4096-ptr_max
PARAM_VALUE	2	prev->camera.wObjectiveFocalLengthMax	0-255
PARAM_VALUE	2	prev->camera.wObjectiveFocalLengthMin	0-255
PARAM_VALUE	2	prev->camera.wOcularFocalLength	0-255
PARAM_VALUE	2	prev->gpio.bControlSize	1
PARAM_VALUE	2	prev->gpio.initialized	0
PARAM_VALUE	2	prev->gpio.irq	1-s32max
PARAM_VALUE	2	prev->processing.wMaxMultiplier	0-255
BUF_SIZE	0	chain	232
CAPPED_DATA	0	chain->dev->quirks	1
CAPPED_DATA	1	entity->id	1
DATA_SOURCE	0	chain	$0
DATA_SOURCE	1	entity	r uvc_entity_by_id
BIT_INFO	1	entity->type	0x0,0x7fff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL