Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 4 files:
- drivers/media/dvb-core/dmxdev.c, line 92
- drivers/media/dvb-core/dvb_ringbuffer.c, line 374
- drivers/media/pci/ngene/ngene-dvb.c, line 70
- drivers/staging/media/av7110/av7110_ca.c, line 198
Smatch caller information:
drivers/media/dvb-core/dmxdev.c dvb_dmxdev_buffer_read() -> dvb_ringbuffer_read_user()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rbuf | 4096-ptr_max |
| PARAM_VALUE | 0 | rbuf->data | 1-u64max |
| PARAM_VALUE | 0 | rbuf->error | 0 |
| CAPPED_DATA | 2 | len | 1 |
| DATA_SOURCE | 0 | rbuf | $0 |
| DATA_SOURCE | 1 | buf | $2 |
| USER_DATA | 1 | buf | 0-u64max[c] |
| USER_DATA | 2 | len | 1-1000000000,18446744072709551617-18446744073709551614[c] |
| HALF_LOCKED2 | &dfil->mutex | ||
| HALF_LOCKED2 | &dmxdevfilter->mutex |
drivers/media/pci/ngene/ngene-dvb.c ts_read() -> dvb_ringbuffer_read_user()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rbuf | 4096-ptr_max |
| PARAM_VALUE | 2 | len | 0-2147479552,18446744071562067968-u64max |
| CAPPED_DATA | 2 | len | 1 |
| DATA_SOURCE | 1 | buf | $1 [m] |
| NOCHECK_CALL | |||
| USER_DATA | 1 | buf | 0-u64max[c] |
| USER_DATA | 2 | len | 1-1000000000[c] |
drivers/staging/media/av7110/av7110_ca.c ci_ll_read() -> dvb_ringbuffer_read_user()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rbuf | 4096-ptr_max |
| PARAM_VALUE | 0 | rbuf->data | 4096-ptr_max |
| PARAM_VALUE | 2 | len | 0-u16max |
| CAPPED_DATA | 0 | rbuf->pread | 1 |
| CAPPED_DATA | 1 | buf | 1 |
| CAPPED_DATA | 2 | len | 1 |
| DATA_SOURCE | 0 | rbuf | $0 |
| DATA_SOURCE | 1 | buf | $2 |
| BIT_INFO | 2 | len | 0x0,0xff |
| USER_DATA | 1 | buf | 0-u64max[c] |