Defined in 1 files as a function:
Referenced in 3 files:
- sound/core/control.c, line 1318
- sound/core/control_compat.c, line 296
- tools/testing/selftests/alsa/mixer-test.c
Smatch caller information:
sound/core/control.c __ctl_elem_read_user() -> snd_ctl_elem_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | card | 4096-ptr_max |
| PARAM_VALUE | 1 | control | 4096-ptr_max |
| PARAM_VALUE | 1 | *control->value.bytes.data | 0-255 |
| PARAM_VALUE | 1 | *control->value.integer.value | s32min-s32max |
| BUF_SIZE | 1 | control | 1224 |
| DATA_SOURCE | 0 | card | $0 |
| DATA_SOURCE | 1 | control | r _kzalloc_noprof |
| NOSPEC | 1 | control->id.index | |
| USER_DATA | 1 | control->id.device | 0-u32max |
| USER_DATA | 1 | control->id.iface | s32min-s32max |
| USER_DATA | 1 | control->id.index | 0-u32max |
| USER_DATA | 1 | control->id.numid | 0-u32max |
| USER_DATA | 1 | control->id.subdevice | 0-u32max |
| USER_DATA | 1 | *control->id.name | 0-255 |
| USER_DATA | 1 | *control->value.bytes.data | 0-255 |
| NO_OVERFLOW_SIMPLE | 1 | control->value.bytes.data | |
| NO_OVERFLOW_SIMPLE | 1 | &control->id | |
| USER_PTR | 1 | control->id.name | |
| USER_PTR | 1 | control->value.bytes.data |
sound/core/control.c snd_ctl_elem_read_user() -> snd_ctl_elem_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | card | 4096-ptr_max |
| PARAM_VALUE | 1 | control | 1-ptr_max |
| BUF_SIZE | 1 | control | 1224 |
| DATA_SOURCE | 0 | card | $0 |
| DATA_SOURCE | 1 | control | r memdup_user |
| USER_DATA | 1 | control->id.device | 0-u32max |
| USER_DATA | 1 | control->id.iface | s32min-s32max |
| USER_DATA | 1 | control->id.index | 0-u32max |
| USER_DATA | 1 | control->id.numid | 0-u32max |
| USER_DATA | 1 | control->id.subdevice | 0-u32max |
| USER_DATA | 1 | control->value.iec958.pad | 0-255 |
| USER_DATA | 1 | *control | s64min-s64max |
| USER_PTR | 1 | control | |
| USER_PTR | 1 | control->reserved |