diff options
| -rw-r--r-- | arch/parisc/mm/fixmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/parisc/mm/fixmap.c b/arch/parisc/mm/fixmap.c index c8d41b54fb19..36321bcd75ba 100644 --- a/arch/parisc/mm/fixmap.c +++ b/arch/parisc/mm/fixmap.c @@ -35,6 +35,9 @@ void clear_fixmap(enum fixed_addresses idx) pmd_t *pmd = pmd_offset(pgd, vaddr); pte_t *pte = pte_offset_kernel(pmd, vaddr); + if (WARN_ON(pte_none(*pte))) + return; + pte_clear(&init_mm, vaddr, pte); flush_tlb_kernel_range(vaddr, vaddr + PAGE_SIZE); |