ubi_io_read_ec_hdr identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/mtd/ubi/io.c, line 684

Defined in 1 files as a prototype:

drivers/mtd/ubi/ubi.h, line 932 (as a prototype)

Defined in 1 files as a function:

drivers/mtd/ubi/io.c, line 706 (as a function)

Referenced in 4 files:

Smatch caller information:

287600322642ac2d scan_pool() -> ubi_io_read_ec_hdr()

Type	Parameter	Key	Value
PARAM_VALUE	0	ubi	4096-ptr_max
PARAM_VALUE	0	ubi->ec_hdr_alsize	0-4000000
PARAM_VALUE	0	ubi->vid_hdr_alsize	0-4000000
PARAM_VALUE	2	ec_hdr	16,4096-ptr_max
PARAM_VALUE	3	verbose	0
BUF_SIZE	2	ec_hdr	0-s32max,18446744071562067968-u64max
BUF_SIZE	2	ec_hdr	0-s32max,18446744071562067968-u64max
DATA_SOURCE	0	ubi	$0
DATA_SOURCE	2	ec_hdr	r _kzalloc_noprof

287600322642ac2d ubi_scan_fastmap() -> ubi_io_read_ec_hdr()

Type	Parameter	Key	Value
PARAM_VALUE	0	ubi	4096-ptr_max
PARAM_VALUE	0	ubi->buf_mutex.dep_map->name	0-255
PARAM_VALUE	0	ubi->buf_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ubi->buf_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ubi->buf_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	ubi->buf_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	ubi->buf_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	ubi->buf_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	ubi->buf_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	ubi->ckvol_mutex.dep_map->name	0-255
PARAM_VALUE	0	ubi->dev.devres_head.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.devres_head.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.devres_head.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->defpool.vaddr	0
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->dyn_alloc.data.counter	9007199250546704
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->dyn_alloc.entry.prev	1473117533515866344
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->dyn_alloc.func	1583282886040592384
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->pools.prev	1473117533515866320
PARAM_VALUE	0	ubi->dev.dma_io_tlb_pools.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_pools.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.flags	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.consumers.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.consumers.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.consumers.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.suppliers.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.suppliers.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.suppliers.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.wait_queue.head.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.wait_queue.head.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.wait_queue.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->device_mutex.dep_map->name	0-255
PARAM_VALUE	0	ubi->ec_hdr_alsize	0-4000000
PARAM_VALUE	0	ubi->fm_eba_sem.dep_map->name	0-255
PARAM_VALUE	0	ubi->fm_protect.dep_map->name	0-255
PARAM_VALUE	0	ubi->fm_protect.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	ubi->fm_protect.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	ubi->fm_protect.first_waiter->type	0-1
PARAM_VALUE	0	ubi->fm_protect.osq.tail.counter	0-s32max
PARAM_VALUE	0	ubi->fm_protect.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	ubi->fm_protect.wait_lock.owner	(-1)
PARAM_VALUE	0	ubi->fm_protect.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	ubi->fm_size	0-s32max,18446744071562067968-u64max
PARAM_VALUE	0	ubi->vid_hdr_alsize	0-4000000
PARAM_VALUE	2	ec_hdr	16,4096-ptr_max
PARAM_VALUE	3	verbose	0
BUF_SIZE	0	ubi->dev.class	(-1),96
BUF_SIZE	0	ubi->dev.groups	(-1),16
BUF_SIZE	0	ubi->dev.parent	(-1),1616
BUF_SIZE	0	ubi->mtd	s32min,(-1),1-s32max
BUF_SIZE	0	ubi->peb_buf	s32min-(-1),1-s32max
BUF_SIZE	2	ec_hdr	0-s32max,18446744071562067968-u64max
BUF_SIZE	2	ec_hdr	0-s32max,18446744071562067968-u64max
CAPPED_DATA	0	ubi->fm_size	1
CAPPED_DATA	0	ubi->mtd	1
CAPPED_DATA	0	&ubi->fm_protect	1
DATA_SOURCE	0	ubi	$0
DATA_SOURCE	2	ec_hdr	r _kzalloc_noprof
STR_LEN	0	ubi->dev.parent->driver_data	(-1)
STR_LEN	0	ubi->mtd	(-1),18
STR_LEN	0	ubi->mtd->dev.driver_data	(-1)
STR_LEN	0	ubi->mtd->name	(-1)
NOSPEC	0	ubi->vid_hdr_offset
MEM_ZERO	0	ubi->fm_buf
MEM_ZERO	0	&ubi->dev.power.suspend_timer
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ubi->ubi_num	0-31
USER_DATA	0	ubi->vid_hdr_aloffset	0-s32max[c]
USER_DATA	0	ubi->vid_hdr_offset	1-s32max[c]
NO_OVERFLOW_SIMPLE	0	ubi->mtd->erasesize
NO_OVERFLOW_SIMPLE	0	ubi->peb_size
LOCK2		global &ubi_devices_mutex
LOCK2	0	&ubi->fm_protect
HALF_LOCKED2		global &mtd_table_mutex
TYPE_LOCK		(struct ubi_device)->fm_protect

drivers/mtd/ubi/io.c nor_erase_prepare() -> ubi_io_read_ec_hdr()

Type	Parameter	Key	Value
PARAM_VALUE	0	ubi	4096-ptr_max
PARAM_VALUE	0	ubi->bgt_thread->sched_class->set_cpus_allowed	0,1927640468783054848,5094656021401329664,7127180339355369472
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->phys_limit	0-s64max
PARAM_VALUE	0	ubi->dev.kobj.parent->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	ubi->dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	ubi->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	ubi->ec_hdr_alsize	0-4000000
PARAM_VALUE	0	ubi->fm_eba_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ubi->fm_eba_sem.first_waiter->type	0-1
PARAM_VALUE	0	ubi->fm_protect.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ubi->fm_protect.first_waiter->type	0-1
PARAM_VALUE	0	ubi->mtd	4096-ptr_max
PARAM_VALUE	0	ubi->mtd->writesize	1
PARAM_VALUE	0	ubi->nor_flash	1
PARAM_VALUE	0	ubi->ro_mode	0
PARAM_VALUE	0	ubi->work_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ubi->work_sem.first_waiter->type	0-1
PARAM_VALUE	2	ec_hdr	4451565639216484352
PARAM_VALUE	3	verbose	0
BUF_SIZE	0	ubi	(-1),128
BUF_SIZE	0	ubi	(-1),128
BUF_SIZE	0	ubi->dev.class	(-1),96
BUF_SIZE	0	ubi->dev.groups	(-1),16
BUF_SIZE	0	ubi->dev.parent	(-1),1616
BUF_SIZE	0	ubi->lookuptbl	(-1),8
BUF_SIZE	0	ubi->peb_buf	s32min-(-1),1-s32max
DATA_SOURCE	0	ubi	$0
DATA_SOURCE	1	pnum	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ubi->ubi_num	0-31
USER_DATA	0	ubi->vid_hdr_aloffset	0-s32max[c]
USER_DATA	0	ubi->vid_hdr_offset	1-s32max
USER_DATA	0	*ubi->peb_buf	0-255
NO_OVERFLOW_SIMPLE	0	ubi->bgt_thread->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE	0	ubi->ec_hdr_alsize
NO_OVERFLOW_SIMPLE	0	ubi->fm_anchor->pnum
NO_OVERFLOW_SIMPLE	0	ubi->fm_size
NO_OVERFLOW_SIMPLE	0	ubi->leb_size
NO_OVERFLOW_SIMPLE	0	ubi->mtd->erasesize
NO_OVERFLOW_SIMPLE	0	ubi->peb_count
NO_OVERFLOW_SIMPLE	0	ubi->peb_size
NO_OVERFLOW_SIMPLE	0	ubi->vid_hdr_alsize
NO_OVERFLOW_SIMPLE	0	ubi->vtbl_size
NO_OVERFLOW_SIMPLE	1	pnum
HALF_LOCKED2		global &ubi_devices_mutex
HALF_LOCKED2	0	&ubi->device_mutex
HALF_LOCKED2	0	&ubi->fm_eba_sem
HALF_LOCKED2	0	&ubi->fm_protect
HALF_LOCKED2	0	&ubi->move_mutex
HALF_LOCKED2	0	&ubi->work_sem

drivers/mtd/ubi/wl.c self_check_ec() -> ubi_io_read_ec_hdr()

Type	Parameter	Key	Value
PARAM_VALUE	0	ubi	4096-ptr_max
PARAM_VALUE	0	ubi->bgt_thread->delays->blkio_count	0-4294967295
PARAM_VALUE	0	ubi->bgt_thread->delays->blkio_delay_max	0-s64max
PARAM_VALUE	0	ubi->bgt_thread->delays->blkio_delay_min	0-s64max
PARAM_VALUE	0	ubi->bgt_thread->sched_class->set_cpus_allowed	0,1927640468783054848,5094656021401329664,7127180339355369472
PARAM_VALUE	0	ubi->dbg.chk_gen	1
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->can_grow	0-1
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->debugfs	0-s64max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->for_alloc	0-1
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->force_bounce	0-1
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->nslabs	0-s64max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->phys_limit	0-s64max
PARAM_VALUE	0	ubi->dev.kobj.parent->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	ubi->dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	ubi->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	ubi->ec_hdr_alsize	0-4000000
PARAM_VALUE	0	ubi->fm_eba_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ubi->fm_eba_sem.first_waiter->type	0-1
PARAM_VALUE	0	ubi->fm_protect.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ubi->fm_protect.first_waiter->type	0-1
PARAM_VALUE	0	ubi->work_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ubi->work_sem.first_waiter->type	0-1
PARAM_VALUE	2	ec_hdr	16,4096-ptr_max
PARAM_VALUE	3	verbose	0
BUF_SIZE	0	ubi->lookuptbl	(-1),8
BUF_SIZE	2	ec_hdr	0-s32max,18446744071562067968-u64max
BUF_SIZE	2	ec_hdr	0-s32max,18446744071562067968-u64max
DATA_SOURCE	0	ubi	$0
DATA_SOURCE	1	pnum	$1
DATA_SOURCE	2	ec_hdr	r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	ubi->bgt_thread->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE	0	ubi->ec_hdr_alsize
NO_OVERFLOW_SIMPLE	0	ubi->fm_anchor->pnum
NO_OVERFLOW_SIMPLE	0	ubi->fm_size
NO_OVERFLOW_SIMPLE	0	ubi->leb_size
NO_OVERFLOW_SIMPLE	0	ubi->mtd->erasesize
NO_OVERFLOW_SIMPLE	0	ubi->peb_count
NO_OVERFLOW_SIMPLE	0	ubi->peb_size
NO_OVERFLOW_SIMPLE	0	ubi->vid_hdr_aloffset
NO_OVERFLOW_SIMPLE	0	ubi->vid_hdr_alsize
NO_OVERFLOW_SIMPLE	0	ubi->vtbl_size
HALF_LOCKED2		global &ubi_devices_mutex
HALF_LOCKED2	0	&ubi->device_mutex
HALF_LOCKED2	0	&ubi->fm_eba_sem
HALF_LOCKED2	0	&ubi->fm_protect
HALF_LOCKED2	0	&ubi->move_mutex
HALF_LOCKED2	0	&ubi->work_sem

drivers/mtd/ubi/attach.c scan_peb() -> ubi_io_read_ec_hdr()

Type	Parameter	Key	Value
PARAM_VALUE	0	ubi	4096-ptr_max
PARAM_VALUE	0	ubi->buf_mutex.dep_map->name	0-255
PARAM_VALUE	0	ubi->ckvol_mutex.dep_map->name	0-255
PARAM_VALUE	0	ubi->dev.devres_head.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.devres_head.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.devres_head.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->defpool.vaddr	0
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->dyn_alloc.data.counter	9007199250546704
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->dyn_alloc.entry.prev	1473117533515866344
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->dyn_alloc.func	1583282886040592384
PARAM_VALUE	0	ubi->dev.dma_io_tlb_mem->pools.prev	1473117533515866320
PARAM_VALUE	0	ubi->dev.dma_io_tlb_pools.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_io_tlb_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_pools.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.dma_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.flags	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.consumers.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.consumers.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.consumers.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.suppliers.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.suppliers.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.links.suppliers.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.wait_queue.head.next->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.wait_queue.head.prev->next	4096-ptr_max
PARAM_VALUE	0	ubi->dev.power.wait_queue.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	ubi->device_mutex.dep_map->name	0-255
PARAM_VALUE	0	ubi->fm_eba_sem.dep_map->name	0-255
PARAM_VALUE	0	ubi->fm_protect.dep_map->name	0-255
PARAM_VALUE	0	ubi->work_sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ubi->work_sem.first_waiter->type	0-1
PARAM_VALUE	1	pnum	0-2147483646
PARAM_VALUE	2	ec_hdr	16,4096-ptr_max
PARAM_VALUE	3	verbose	0
BUF_SIZE	0	ubi->dev.class	(-1),96
BUF_SIZE	0	ubi->dev.groups	(-1),16
BUF_SIZE	0	ubi->dev.parent	(-1),1616
BUF_SIZE	0	ubi->mtd	s32min,(-1),1-s32max
BUF_SIZE	0	ubi->peb_buf	s32min-(-1),1-s32max
CAPPED_DATA	1	pnum	1
DATA_SOURCE	0	ubi	$0
DATA_SOURCE	1	pnum	$2
FUZZY_MAX	1	pnum	63
STR_LEN	0	ubi->dev.parent->driver_data	(-1)
STR_LEN	0	ubi->mtd	(-1),18
STR_LEN	0	ubi->mtd->dev.driver_data	(-1)
STR_LEN	0	ubi->mtd->name	(-1)
NOSPEC	0	ubi->vid_hdr_offset
MEM_ZERO	0	&ubi->dev.power.suspend_timer
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ubi->ubi_num	0-31
USER_DATA	0	ubi->vid_hdr_aloffset	0-s32max[c]
USER_DATA	0	ubi->vid_hdr_offset	1-s32max
NO_OVERFLOW_SIMPLE	0	ubi->mtd->erasesize
NO_OVERFLOW_SIMPLE	0	ubi->peb_count
NO_OVERFLOW_SIMPLE	0	ubi->peb_size
NO_OVERFLOW_SIMPLE	1	pnum
LOCK2		global &ubi_devices_mutex
HALF_LOCKED2		global &mtd_table_mutex