diff options
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 840e25cab934..502f51b86fa3 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -460,6 +460,7 @@ static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask) { + int err = 0; pte_t *pte; /* @@ -473,15 +474,21 @@ static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr, do { struct page *page = pages[*nr]; - if (WARN_ON(!pte_none(*pte))) - return -EBUSY; - if (WARN_ON(!page)) - return -ENOMEM; + if (WARN_ON(!pte_none(*pte))) { + err = -EBUSY; + break; + } + if (WARN_ON(!page)) { + err = -ENOMEM; + break; + } + set_pte_at(&init_mm, addr, pte, mk_pte(page, prot)); (*nr)++; } while (pte++, addr += PAGE_SIZE, addr != end); *mask |= PGTBL_PTE_MODIFIED; - return 0; + + return err; } static int vmap_pages_pmd_range(pud_t *pud, unsigned long addr, |