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Defined in 1 files as a prototype:

Defined in 2 files as a function:

Referenced in 11 files:

Smatch caller information:

drivers/usb/renesas_usbhs/mod_gadget.c usbhsg_dma_map_ctrl() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 2 is_in 0,4
BUF_SIZE 1 req 104
DATA_SOURCE 0 dev $0
DATA_SOURCE 2 is_in r usbhs_pipe_is_dir_host
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &priv->lock
HALF_LOCKED2 flags

drivers/usb/chipidea/udc.c _hardware_enqueue() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->actual 0
PARAM_VALUE 1 req->status (-114)
PARAM_VALUE 2 is_in 0-1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 dev unit_byte
HALF_LOCKED2 &ci->lock
HALF_LOCKED2 flags
HALF_LOCKED2 hwep->lock

drivers/usb/cdns3/cdns3-gadget.c __cdns3_gadget_ep_queue() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->actual 0
PARAM_VALUE 1 req->status (-115)
PARAM_VALUE 2 is_in 0-1
BUF_SIZE 1 req s32min,(-1)-s32max
BUF_SIZE 1 req s32min,(-1)-s32max
BUF_SIZE 1 req->buf (-1),1024
DATA_SOURCE 1 req $1
NOSPEC 1 req->length
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 req->frame_number 0-16383[c]
HOST_DATA 1 req->length 0-u32max[c]
HOST_DATA 1 req->zero 0-1
USER_DATA 1 req->length 0-u32max
USER_DATA 1 req->zero 0-1[c]
USER_DATA 1 *req->buf s64min-s64max
NO_OVERFLOW_SIMPLE 1 req->dma
NO_OVERFLOW_SIMPLE 1 req->num_mapped_sgs
NO_OVERFLOW_SIMPLE 1 req->status
USER_PTR 1 req->buf
LOCK2 &priv_dev->lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
TYPE_LOCK (struct cdns3_device)->lock

drivers/usb/cdns3/cdns3-gadget.c cdns3_wa2_gadget_giveback() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->sg 0,4096-ptr_max
PARAM_VALUE 1 req->status (-12)
PARAM_VALUE 2 is_in 0-1
DATA_SOURCE 1 req r cdns3_next_request
PARAM_COMPARE 1 req->actual != $1->length
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &priv_dev->lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
TYPE_LOCK (struct cdns3_device)->lock

drivers/usb/dwc3/ep0.c __dwc3_ep0_do_control_data() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->actual 0
PARAM_VALUE 1 req->length 1-u32max
PARAM_VALUE 1 req->status (-115)
PARAM_VALUE 2 is_in 0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 dev unit_byte
LOCK2 &dwc->lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
TYPE_LOCK (struct dwc3)->lock

drivers/usb/dwc3/ep0.c __dwc3_ep0_do_control_data() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->actual 0
PARAM_VALUE 1 req->length 1-u32max
PARAM_VALUE 1 req->status (-115)
PARAM_VALUE 1 req->zero 1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 dev unit_byte
LOCK2 &dwc->lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
TYPE_LOCK (struct dwc3)->lock

drivers/usb/dwc3/ep0.c __dwc3_ep0_do_control_data() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->actual 0
PARAM_VALUE 1 req->length 1-u32max
PARAM_VALUE 1 req->status (-115)
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 dev unit_byte
LOCK2 &dwc->lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
TYPE_LOCK (struct dwc3)->lock

drivers/usb/cdns3/cdnsp-gadget.c cdnsp_ep_enqueue() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->actual 0
PARAM_VALUE 1 req->status (-115)
PARAM_VALUE 2 is_in 0-1
BUF_SIZE 1 req 104
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &pdev->lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
TYPE_LOCK (struct cdnsp_device)->lock

drivers/usb/gadget/udc/aspeed-vhub/epn.c ast_vhub_epn_queue() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->buf 1-u64max
PARAM_VALUE 1 req->complete 1-u64max
BUF_SIZE 1 req s32min,(-1)-s32max
BUF_SIZE 1 req s32min,(-1)-s32max
DATA_SOURCE 1 req $1
NOSPEC 1 req->actual
NOSPEC 1 req->length
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 req->actual 0-u32max[c]
HOST_DATA 1 req->frame_number 0-16383[c]
HOST_DATA 1 req->length 0-u32max[c]
HOST_DATA 1 req->zero 0-1
USER_DATA 1 req->actual 0-64[c]
USER_DATA 1 req->length 0-u32max
USER_DATA 1 req->zero 0-1[c]
USER_DATA 1 *req->buf s64min-s64max
NO_OVERFLOW_SIMPLE 1 req->dma
NO_OVERFLOW_SIMPLE 1 req->num_mapped_sgs
NO_OVERFLOW_SIMPLE 1 req->status
USER_PTR 1 req->buf
HALF_LOCKED2 &cdev->lock
HALF_LOCKED2 &dev->lock
HALF_LOCKED2 &dev->lock_printer_io
HALF_LOCKED2 &epdata->dev->lock
HALF_LOCKED2 &epdata->lock
HALF_LOCKED2 &epfile->ffs->eps_lock
HALF_LOCKED2 &hidg->get_report_spinlock
HALF_LOCKED2 &midi->transmit_lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &port->lock
HALF_LOCKED2 &usb9pfs->lock
HALF_LOCKED2 &video->req_lock
HALF_LOCKED2 cdev_flags
HALF_LOCKED2 flags
HALF_LOCKED2 irq

drivers/usb/cdns3/cdns3-ep0.c cdns3_gadget_ep0_queue() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
BUF_SIZE 1 req s32min,(-1)-s32max
BUF_SIZE 1 req s32min,(-1)-s32max
DATA_SOURCE 1 req $1
NOSPEC 1 req->actual
NOSPEC 1 req->length
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 req->actual 0-u32max[c]
HOST_DATA 1 req->frame_number 0-16383[c]
HOST_DATA 1 req->length 0-u32max[c]
HOST_DATA 1 req->zero 0-1
USER_DATA 1 req->actual 0-64[c]
USER_DATA 1 req->length 0-u32max
USER_DATA 1 req->zero 0-1[c]
USER_DATA 1 *req->buf s64min-s64max
NO_OVERFLOW_SIMPLE 1 req->dma
NO_OVERFLOW_SIMPLE 1 req->num_mapped_sgs
NO_OVERFLOW_SIMPLE 1 req->status
UNITS 2 is_in unit_array_size
USER_PTR 1 req->buf
LOCK2 &priv_dev->lock
LOCK2 flags
HALF_LOCKED2 &vhub->lock
HALF_LOCKED2 flags
TYPE_LOCK (struct cdns3_device)->lock

drivers/usb/gadget/udc/cdns2/cdns2-gadget.c cdns2_ep_enqueue() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->actual 0
PARAM_VALUE 1 req->status (-115)
BUF_SIZE 1 req 104
RX_PATH
TASK_NOT_RUNNING
UNITS 2 is_in unit_array_size
LOCK2 &pdev->lock
HALF_LOCKED2 &vhub->lock
HALF_LOCKED2 flags
TYPE_LOCK (struct cdns2_device)->lock

drivers/usb/dwc3/gadget.c dwc3_prepare_trbs() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 dev unit_byte
HALF_LOCKED2 &dwc->lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags

drivers/usb/gadget/udc/cdns2/cdns2-ep0.c cdns2_gadget_ep0_queue() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
BUF_SIZE 1 req s32min,(-1)-s32max
BUF_SIZE 1 req s32min,(-1)-s32max
DATA_SOURCE 1 req $1
NOSPEC 1 req->actual
NOSPEC 1 req->length
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 req->actual 0-u32max[c]
HOST_DATA 1 req->frame_number 0-16383[c]
HOST_DATA 1 req->length 0-u32max[c]
HOST_DATA 1 req->zero 0-1
USER_DATA 1 req->actual 0-64[c]
USER_DATA 1 req->length 0-u32max
USER_DATA 1 req->zero 0-1[c]
USER_DATA 1 *req->buf s64min-s64max
NO_OVERFLOW_SIMPLE 1 req->dma
NO_OVERFLOW_SIMPLE 1 req->num_mapped_sgs
NO_OVERFLOW_SIMPLE 1 req->status
UNITS 2 is_in unit_array_size
USER_PTR 1 req->buf
LOCK2 &pdev->lock
LOCK2 flags
HALF_LOCKED2 &vhub->lock
HALF_LOCKED2 flags
TYPE_LOCK (struct cdns2_device)->lock

drivers/usb/gadget/udc/core.c usb_gadget_map_request() -> usb_gadget_map_request_by_dev()

Type Parameter Key Value
BUF_SIZE 1 req s32min,(-1)-s32max
BUF_SIZE 1 req s32min,(-1)-s32max
BUF_SIZE 1 req->buf (-1),8
DATA_SOURCE 1 req $1
DATA_SOURCE 2 is_in $2
NOSPEC 1 req->actual
NOSPEC 1 req->length
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 req->actual 0-u32max[c]
HOST_DATA 1 req->frame_number 0-16383[c]
HOST_DATA 1 req->length 0-u32max[c]
HOST_DATA 1 req->zero 0-1
USER_DATA 1 req->actual 0-64[c]
USER_DATA 1 req->length 0-u32max
USER_DATA 1 req->zero 0-1[c]
USER_DATA 1 *req->buf s64min-s64max
NO_OVERFLOW_SIMPLE 1 req->dma
NO_OVERFLOW_SIMPLE 1 req->num_mapped_sgs
NO_OVERFLOW_SIMPLE 1 req->status
UNITS 0 dev unit_byte
USER_PTR 1 req->buf
HALF_LOCKED2 &bdc->lock
HALF_LOCKED2 &udc->lock
HALF_LOCKED2 &usb3->lock
HALF_LOCKED2 flags
HALF_LOCKED2 iflags