diff options
Diffstat (limited to 'arch/x86/pci/i386.c')
| -rw-r--r-- | arch/x86/pci/i386.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 6ccd7a108cd4..5281e343dd9f 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -334,7 +334,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, flags = new_flags; } - if (vma->vm_pgoff <= max_pfn_mapped && + if (((vma->vm_pgoff <= max_low_pfn_mapped) || + (vma->vm_pgoff >= (1UL<<(32 - PAGE_SHIFT)) && + vma->vm_pgoff <= max_pfn_mapped)) && ioremap_change_attr((unsigned long)__va(addr), len, flags)) { free_memtype(addr, addr + len); return -EINVAL; |