diff options
| author | Jiri Kosina <[email protected]> | 2020-04-01 12:26:12 +0200 |
|---|---|---|
| committer | Jiri Kosina <[email protected]> | 2020-04-01 12:26:12 +0200 |
| commit | c9f289701540baeef9ac7c9977d67a7259f404db (patch) | |
| tree | ac3c29d41da02ac735c9a12da78905842fbccd2f /arch/powerpc/mm/book3s64/iommu_api.c | |
| parent | 0aac6f9aaae5fba08963651d2ce49930145e118f (diff) | |
| parent | 910a7e89cec65efad254c947ce2bf8bf5b370962 (diff) | |
Merge branch 'for-5.7/appleir' into for-linus
- small code cleanups in hid-appleir from Lucas Tanure
Diffstat (limited to 'arch/powerpc/mm/book3s64/iommu_api.c')
| -rw-r--r-- | arch/powerpc/mm/book3s64/iommu_api.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/mm/book3s64/iommu_api.c b/arch/powerpc/mm/book3s64/iommu_api.c index 56cc84520577..eba73ebd8ae5 100644 --- a/arch/powerpc/mm/book3s64/iommu_api.c +++ b/arch/powerpc/mm/book3s64/iommu_api.c @@ -103,7 +103,7 @@ static long mm_iommu_do_alloc(struct mm_struct *mm, unsigned long ua, for (entry = 0; entry < entries; entry += chunk) { unsigned long n = min(entries - entry, chunk); - ret = get_user_pages(ua + (entry << PAGE_SHIFT), n, + ret = pin_user_pages(ua + (entry << PAGE_SHIFT), n, FOLL_WRITE | FOLL_LONGTERM, mem->hpages + entry, NULL); if (ret == n) { @@ -167,9 +167,8 @@ good_exit: return 0; free_exit: - /* free the reference taken */ - for (i = 0; i < pinned; i++) - put_page(mem->hpages[i]); + /* free the references taken */ + unpin_user_pages(mem->hpages, pinned); vfree(mem->hpas); kfree(mem); @@ -215,7 +214,8 @@ static void mm_iommu_unpin(struct mm_iommu_table_group_mem_t *mem) if (mem->hpas[i] & MM_IOMMU_TABLE_GROUP_PAGE_DIRTY) SetPageDirty(page); - put_page(page); + unpin_user_page(page); + mem->hpas[i] = 0; } } |