x86: remove set_fixmap() warning

set_fixmap()+clear_fixmap() is safe.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 7a81dd020693..b798e7b92b17 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -173,7 +173,7 @@ set_pte_phys(unsigned long vaddr, unsigned long phys, pgprot_t prot)
         new_pte = pfn_pte(phys >> PAGE_SHIFT, prot);
 
         pte = pte_offset_kernel(pmd, vaddr);
-        if (!pte_none(*pte) &&
+        if (!pte_none(*pte) && pte_val(new_pte) &&
             pte_val(*pte) != (pte_val(new_pte) & __supported_pte_mask))
                 pte_ERROR(*pte);
         set_pte(pte, new_pte);