dma_buf_vunmap_unlocked identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/dma-buf/dma-buf.c, line 1716

Defined in 1 files as a prototype:

include/linux/dma-buf.h, line 595 (as a prototype)

Defined in 1 files as a function:

drivers/dma-buf/dma-buf.c, line 1721 (as a function)

Referenced in 8 files:

Smatch caller information:

drivers/gpu/drm/tegra/gem.c tegra_bo_munmap() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	1-u64max
PARAM_VALUE	1	map	3417296595959373824
PARAM_VALUE	1	map->is_iomem	0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&ch->cdma.lock

drivers/media/common/videobuf2/videobuf2-vmalloc.c vb2_vmalloc_detach_dmabuf() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	6883116393694519296
PARAM_VALUE	1	map->is_iomem	0
PARAM_VALUE	1	map->vaddr	1-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&q->mmap_lock
HALF_LOCKED2		vb->vb2_queue->lock

drivers/media/common/videobuf2/videobuf2-vmalloc.c vb2_vmalloc_unmap_dmabuf() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	6926757610129932288
PARAM_VALUE	1	map->is_iomem	0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&q->mmap_lock
HALF_LOCKED2		vb->vb2_queue->lock

drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c igt_dmabuf_export_vmap() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	4096-ptr_max
PARAM_VALUE	0	dmabuf->ops->vmap	4096-ptr_max
PARAM_VALUE	0	dmabuf->priv->db_attach->dmabuf->vmapping_counter	1-4294967295
PARAM_VALUE	0	dmabuf->priv->lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dmabuf->priv->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->vmap_cnt	s32min-s32max
PARAM_VALUE	0	dmabuf->resv->fences	0,4096-ptr_max
PARAM_VALUE	0	dmabuf->resv->fences->max_fences	0-4294967295
PARAM_VALUE	0	dmabuf->resv->lock.base.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->resv->lock.ctx	0
PARAM_VALUE	0	dmabuf->vmapping_counter	1-u32max
PARAM_VALUE	1	map	689543983541198848
BUF_SIZE	0	dmabuf	361,536
BUF_SIZE	0	dmabuf	361,536
CAPPED_DATA	0	dmabuf->resv->fences	1
CAPPED_DATA	0	dmabuf->size	1
DATA_SOURCE	0	dmabuf	r i915_gem_prime_export
NOCHECK_CALL

drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c igt_dmabuf_import() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.next->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev->prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.poll->head.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.poll->head.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->__f_path.dentry	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->__f_path.mnt	0
PARAM_VALUE	0	dmabuf->file->f_cred	0,4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_ep	0
PARAM_VALUE	0	dmabuf->file->f_flags	0-18433,32770
PARAM_VALUE	0	dmabuf->file->f_inode	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_iocb_flags	0,2,16,18,131072,131074,131088,131090
PARAM_VALUE	0	dmabuf->file->f_mapping	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_mode	33554432,34078720-571342855
PARAM_VALUE	0	dmabuf->file->f_op	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_owner	0
PARAM_VALUE	0	dmabuf->file->f_path.dentry	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_pos	0
PARAM_VALUE	0	dmabuf->file->f_pos_lock.first_waiter	0
PARAM_VALUE	0	dmabuf->file->f_pos_lock.magic	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_pos_lock.owner.counter	0
PARAM_VALUE	0	dmabuf->file->f_ra.async_size	0
PARAM_VALUE	0	dmabuf->file->f_ra.mmap_miss	0
PARAM_VALUE	0	dmabuf->file->f_ra.order	0
PARAM_VALUE	0	dmabuf->file->f_ra.prev_pos	0
PARAM_VALUE	0	dmabuf->file->f_ra.ra_pages	0
PARAM_VALUE	0	dmabuf->file->f_ra.size	0
PARAM_VALUE	0	dmabuf->file->f_ra.start	0
PARAM_VALUE	0	dmabuf->file->f_ref.refcnt.counter	0
PARAM_VALUE	0	dmabuf->file->f_sb_err	0
PARAM_VALUE	0	dmabuf->file->f_security	0
PARAM_VALUE	0	dmabuf->file->f_wb_err	0
PARAM_VALUE	0	dmabuf->file->private_data	4096-ptr_max
PARAM_VALUE	0	dmabuf->ops->attach	0
PARAM_VALUE	0	dmabuf->ops->map_dma_buf	8175560248507011072
PARAM_VALUE	0	dmabuf->ops->release	3073523863218692096
PARAM_VALUE	0	dmabuf->ops->unmap_dma_buf	7985307883073949696
PARAM_VALUE	0	dmabuf->ops->vmap	4096-ptr_max
PARAM_VALUE	0	dmabuf->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	dmabuf->owner->state	0-1,3-u32max
PARAM_VALUE	0	dmabuf->poll.head.next->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->priv->db_attach->dmabuf->vmapping_counter	1-4294967295
PARAM_VALUE	0	dmabuf->priv->lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dmabuf->priv->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->vmap_cnt	s32min-s32max
PARAM_VALUE	0	dmabuf->resv->fences	0,4096-ptr_max
PARAM_VALUE	0	dmabuf->resv->fences->max_fences	0-4294967295
PARAM_VALUE	0	dmabuf->resv->lock.base.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->resv->lock.ctx	0
PARAM_VALUE	0	dmabuf->resv->lock.ww_class->is_wait_die	0-s32max
PARAM_VALUE	0	dmabuf->vmapping_counter	1-u32max
PARAM_VALUE	1	map	7436884741507174400
BUF_SIZE	0	dmabuf	361,536
BUF_SIZE	0	dmabuf	361,536
CAPPED_DATA	0	dmabuf->resv->fences	1
DATA_SOURCE	0	dmabuf	r mock_dmabuf
TERMINATED	0	dmabuf->exp_name	1
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dmabuf->size

drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c igt_dmabuf_import_ownership() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.next->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev->prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_in.active	0
PARAM_VALUE	0	dmabuf->cb_in.poll	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.active	0
PARAM_VALUE	0	dmabuf->cb_out.poll	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.poll->head.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.poll->head.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->exp_name	3116414117130858496
PARAM_VALUE	0	dmabuf->file	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->__f_path.dentry	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->__f_path.mnt	0
PARAM_VALUE	0	dmabuf->file->f_cred	0,4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_ep	0
PARAM_VALUE	0	dmabuf->file->f_flags	0-18433,32770
PARAM_VALUE	0	dmabuf->file->f_inode	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_iocb_flags	0,2,16,18,131072,131074,131088,131090
PARAM_VALUE	0	dmabuf->file->f_mapping	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_mode	33554432,34078720-571342855
PARAM_VALUE	0	dmabuf->file->f_op	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_owner	0
PARAM_VALUE	0	dmabuf->file->f_path.dentry	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_pos	0
PARAM_VALUE	0	dmabuf->file->f_pos_lock.first_waiter	0
PARAM_VALUE	0	dmabuf->file->f_pos_lock.magic	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_pos_lock.owner.counter	0
PARAM_VALUE	0	dmabuf->file->f_ra.async_size	0
PARAM_VALUE	0	dmabuf->file->f_ra.mmap_miss	0
PARAM_VALUE	0	dmabuf->file->f_ra.order	0
PARAM_VALUE	0	dmabuf->file->f_ra.prev_pos	0
PARAM_VALUE	0	dmabuf->file->f_ra.ra_pages	0
PARAM_VALUE	0	dmabuf->file->f_ra.size	0
PARAM_VALUE	0	dmabuf->file->f_ra.start	0
PARAM_VALUE	0	dmabuf->file->f_ref.refcnt.counter	0
PARAM_VALUE	0	dmabuf->file->f_sb_err	0
PARAM_VALUE	0	dmabuf->file->f_security	0
PARAM_VALUE	0	dmabuf->file->f_wb_err	0
PARAM_VALUE	0	dmabuf->file->private_data	4096-ptr_max
PARAM_VALUE	0	dmabuf->list_node.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->list_node.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->ops	6768536905314770944
PARAM_VALUE	0	dmabuf->ops->attach	0
PARAM_VALUE	0	dmabuf->ops->map_dma_buf	8175560248507011072
PARAM_VALUE	0	dmabuf->ops->release	3073523863218692096
PARAM_VALUE	0	dmabuf->ops->unmap_dma_buf	7985307883073949696
PARAM_VALUE	0	dmabuf->ops->vmap	4096-ptr_max
PARAM_VALUE	0	dmabuf->owner	0
PARAM_VALUE	0	dmabuf->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	dmabuf->owner->state	0-1,3-u32max
PARAM_VALUE	0	dmabuf->poll.head.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.next->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->priv	4096-ptr_max
PARAM_VALUE	0	dmabuf->priv->db_attach->dmabuf->vmapping_counter	1-4294967295
PARAM_VALUE	0	dmabuf->priv->lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dmabuf->priv->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->vmap_cnt	s32min-s32max
PARAM_VALUE	0	dmabuf->resv	1-u64max
PARAM_VALUE	0	dmabuf->resv->fences	0,4096-ptr_max
PARAM_VALUE	0	dmabuf->resv->fences->max_fences	0-4294967295
PARAM_VALUE	0	dmabuf->resv->lock.base.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->resv->lock.ctx	0
PARAM_VALUE	0	dmabuf->resv->lock.ww_class->is_wait_die	0-s32max
PARAM_VALUE	0	dmabuf->size	4096
PARAM_VALUE	0	dmabuf->vmapping_counter	1-u32max
PARAM_VALUE	1	map	3482147322331713536
BUF_SIZE	0	dmabuf	361,536
BUF_SIZE	0	dmabuf	361,536
CAPPED_DATA	0	dmabuf->resv->fences	1
DATA_SOURCE	0	dmabuf	r mock_dmabuf
TERMINATED	0	dmabuf->exp_name	1
NOCHECK_CALL

drivers/gpu/drm/drm_gem_dma_helper.c drm_gem_dma_free() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	5008525315875065856
PARAM_VALUE	1	map->is_iomem	0
PARAM_VALUE	1	map->vaddr	1-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&vc4->bo_lock

drivers/gpu/drm/drm_gem_dma_helper.c drm_gem_dma_prime_import_sg_table_vmap() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	4096-ptr_max
PARAM_VALUE	0	dmabuf->ops->vmap	4096-ptr_max
PARAM_VALUE	0	dmabuf->priv->db_attach->dmabuf->vmapping_counter	1-4294967295
PARAM_VALUE	0	dmabuf->priv->lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dmabuf->priv->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->vmap_cnt	s32min-s32max
PARAM_VALUE	0	dmabuf->resv->fences->max_fences	0-4294967295
PARAM_VALUE	0	dmabuf->resv->lock.base.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->resv->lock.ctx	0
PARAM_VALUE	0	dmabuf->resv->lock.ww_class->is_wait_die	0-1
PARAM_VALUE	0	dmabuf->vmapping_counter	1-u32max
PARAM_VALUE	1	map	354812355582664704
CAPPED_DATA	0	dmabuf->resv->fences	1
CAPPED_DATA	0	dmabuf->size	1
NOCHECK_CALL
LOCK2		&dev->object_name_lock
LOCK2		&file_priv->prime.lock
HALF_LOCKED2		&p->mutex
TYPE_LOCK		(struct drm_device)->object_name_lock
TYPE_LOCK		(struct drm_prime_file_private)->lock

drivers/media/common/videobuf2/videobuf2-dma-sg.c vb2_dma_sg_unmap_dmabuf() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	5831965426514812928
PARAM_VALUE	1	map->is_iomem	0
PARAM_VALUE	1	map->vaddr	1-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&q->mmap_lock
HALF_LOCKED2		vb->vb2_queue->lock

drivers/media/common/videobuf2/videobuf2-dma-contig.c vb2_dc_unmap_dmabuf() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	1341298287551938560
PARAM_VALUE	1	map->is_iomem	0
PARAM_VALUE	1	map->vaddr	1-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&q->mmap_lock
HALF_LOCKED2		vb->vb2_queue->lock

drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c etnaviv_gem_prime_release() -> dma_buf_vunmap_unlocked()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	4379542513259397120
PARAM_VALUE	1	map->is_iomem	0
PARAM_VALUE	1	map->vaddr	1-u64max
NOCHECK_CALL