diff options
| -rw-r--r-- | arch/powerpc/include/asm/pgtable.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index b80bfd41828d..b1f1d5339735 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -54,7 +54,9 @@ static inline pmd_t *pmd_ptr_k(unsigned long va) static inline pte_t *virt_to_kpte(unsigned long vaddr) { - return pte_offset_kernel(pmd_ptr_k(vaddr), vaddr); + pmd_t *pmd = pmd_ptr_k(vaddr); + + return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr); } #endif |