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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/usb/class/usbtmc.c usbtmc_ioctl_generic_read() -> usbtmc_generic_read()

Type Parameter Key Value
PARAM_VALUE 0 file_data 4096-ptr_max
PARAM_VALUE 0 file_data->data 4096-ptr_max
PARAM_VALUE 0 file_data->data->io_mutex.dep_map->name 0-255
PARAM_VALUE 0 file_data->data->io_mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 file_data->data->io_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 file_data->data->io_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 file_data->data->io_mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 file_data->data->io_mutex.wait_lock.owner (-1)
PARAM_VALUE 0 file_data->data->io_mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 file_data->data->zombie 0
PARAM_VALUE 3 transferred 5308962033241673732
BUF_SIZE 0 file_data s32min-(-2),1-s32max
BUF_SIZE 0 file_data s32min-(-2),1-s32max
DATA_SOURCE 0 file_data $0
USER_DATA 2 transfer_size 0-u32max
USER_DATA 3 *transferred 0-u32max
USER_DATA 4 flags 0-u32max
USER_PTR 3 transferred
LOCK2 &data->io_mutex
TYPE_LOCK (struct usbtmc_device_data)->io_mutex

drivers/usb/class/usbtmc.c usbtmc_read() -> usbtmc_generic_read()

Type Parameter Key Value
PARAM_VALUE 0 file_data 4096-ptr_max
PARAM_VALUE 0 file_data->data 4096-ptr_max
PARAM_VALUE 0 file_data->data->bTag 1-255
PARAM_VALUE 0 file_data->data->io_mutex.dep_map->name 0-255
PARAM_VALUE 0 file_data->data->io_mutex.first_waiter 0,4096-5159360019465732095,5159360019465732097-ptr_max
PARAM_VALUE 0 file_data->data->io_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 file_data->data->io_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 file_data->data->io_mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 file_data->data->io_mutex.wait_lock.owner (-1)
PARAM_VALUE 0 file_data->data->io_mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 file_data->data->usb_dev 4096-ptr_max
PARAM_VALUE 0 file_data->data->usb_dev->bus->sysdev->iommu->attach_deferred 0-1
PARAM_VALUE 0 file_data->data->usb_dev->state 4-u32max
PARAM_VALUE 0 file_data->data->zombie 0
PARAM_VALUE 1 user_buffer 4096-ptr_max
PARAM_VALUE 1 *user_buffer 0-255
PARAM_VALUE 2 transfer_size 1-16777215
PARAM_VALUE 3 transferred 2400173226650382336
PARAM_VALUE 3 *transferred 0
PARAM_VALUE 4 flags 4
BUF_SIZE 0 file_data s32min-(-2),1-s32max
BUF_SIZE 0 file_data s32min-(-2),1-s32max
LOCK2 &data->io_mutex
TYPE_LOCK (struct usbtmc_device_data)->io_mutex