Defined in 1 files as a prototype:
Defined in 2 files as a function:
- include/linux/dma-mapping.h, line 355 (as a function)
- kernel/dma/mapping.c, line 883 (as a function)
Referenced in 3 files:
- drivers/media/common/videobuf2/videobuf2-dma-contig.c, line 286
- kernel/dma/mapping.c, line 890
- sound/core/memalloc.c, line 590
Smatch caller information:
sound/core/memalloc.c snd_dma_noncontig_mmap() -> dma_mmap_noncontiguous()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->thread_keyring->user->qnkeys | s32min-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma->vm_file | (-1)-s32max |
| BUF_SIZE | 1 | vma->vm_ops | (-1),144 |
| BUF_SIZE | 1 | vma->vm_private_data | (-1),1-s32max |
| BUF_SIZE | 3 | sgt | 16,40 |
| DATA_SOURCE | 1 | vma | $1 |
| NOSPEC | 1 | vma->vm_pgoff | |
| NOSPEC | 1 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | vma->vm_end | 4096-u64max[c] |
| USER_DATA | 1 | vma->vm_pgoff | 0-4503599627370495[c] |
| USER_DATA | 1 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_pgoff | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 2 | size | unit_byte |
drivers/media/common/videobuf2/videobuf2-dma-contig.c vb2_dc_mmap() -> dma_mmap_noncontiguous()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | vma->vm_file->f_cred->thread_keyring->user->qnkeys | s32min-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma | (-1),1-s32max |
| BUF_SIZE | 1 | vma->vm_file | (-1)-s32max |
| BUF_SIZE | 1 | vma->vm_private_data | (-1),1-s32max |
| DATA_SOURCE | 1 | vma | $1 |
| NOSPEC | 1 | vma->vm_pgoff | |
| NOSPEC | 1 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | vma->vm_end | 4096-u64max[c] |
| USER_DATA | 1 | vma->vm_pgoff | 0-4503599627370495[c] |
| USER_DATA | 1 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 1 | vma->vm_pgoff | |
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &q->mmap_lock |