Defined in 1 files as a prototype:
Defined in 2 files as a function:
- include/linux/device_cgroup.h, line 61 (as a function)
- security/device_cgroup.c, line 854 (as a function)
Referenced in 4 files:
- block/bdev.c, line 832
- drivers/gpu/drm/amd/amdkfd/kfd_priv.h, line 1619
- include/linux/device_cgroup.h
- security/device_cgroup.c, line 869
Smatch caller information:
fs/namei.c devcgroup_inode_mknod() -> devcgroup_check_permission()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | type | 1-2 |
| PARAM_VALUE | 1 | major | 0-4095 |
| PARAM_VALUE | 2 | minor | 0-1048575 |
| PARAM_VALUE | 3 | access | 1 |
| FUZZY_MAX | 0 | type | 2 |
| HARD_MAX | 0 | type | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | major | 0-4095[c] |
| USER_DATA | 2 | minor | 0-1048575[c] |
| HALF_LOCKED2 | _T->lock |
fs/namei.c devcgroup_inode_permission() -> devcgroup_check_permission()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | type | 1-2 |
| PARAM_VALUE | 1 | major | 0-4095 |
| PARAM_VALUE | 2 | minor | 0-1048575 |
| PARAM_VALUE | 3 | access | 0,2,4,6 |
| FUZZY_MAX | 0 | type | 2 |
| FUZZY_MAX | 3 | access | 0 |
| BIT_INFO | 1 | major | 0x0,0xfff |
| BIT_INFO | 2 | minor | 0x0,0xfffff |
| BIT_INFO | 3 | access | 0x0,0x6 |
| HARD_MAX | 0 | type | 2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | global &cgroup_mutex |
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device.c kfd_devcgroup_check_permission() -> devcgroup_check_permission()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | type | 2 |
| PARAM_VALUE | 1 | major | 226 |
| PARAM_VALUE | 3 | access | 6 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | global &kfd_processes_mutex |
block/bdev.c bdev_permission() -> devcgroup_check_permission()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | type | 1 |
| PARAM_VALUE | 1 | major | 0-4095 |
| PARAM_VALUE | 2 | minor | 0-1048575 |
| PARAM_VALUE | 3 | access | 0,2,4,6 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | major | 0-4095 |
| USER_DATA | 2 | minor | 0-1048575[c] |
| USER_DATA | 3 | access | 2,6[c] |
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c kfd_devcgroup_check_permission() -> devcgroup_check_permission()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | type | 2 |
| PARAM_VALUE | 1 | major | 226 |
| PARAM_VALUE | 3 | access | 6 |
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c kfd_devcgroup_check_permission() -> devcgroup_check_permission()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | type | 2 |
| PARAM_VALUE | 1 | major | 226 |
| PARAM_VALUE | 3 | access | 6 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | global &kfd_processes_mutex |
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_flat_memory.c kfd_devcgroup_check_permission() -> devcgroup_check_permission()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | type | 2 |
| PARAM_VALUE | 1 | major | 226 |
| PARAM_VALUE | 3 | access | 6 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | global &kfd_processes_mutex |