diff options
-rw-r--r-- | arch/powerpc/kernel/pci-common.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 52ccfed416a..8c0270929cc 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -419,7 +419,7 @@ pgprot_t pci_phys_mem_access_prot(struct file *file, struct pci_dev *pdev = NULL; struct resource *found = NULL; unsigned long prot = pgprot_val(protection); - unsigned long offset = pfn << PAGE_SHIFT; + resource_size_t offset = ((resource_size_t)pfn) << PAGE_SHIFT; int i; if (page_is_ram(pfn)) @@ -470,7 +470,8 @@ pgprot_t pci_phys_mem_access_prot(struct file *file, int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) { - resource_size_t offset = vma->vm_pgoff << PAGE_SHIFT; + resource_size_t offset = + ((resource_size_t)vma->vm_pgoff) << PAGE_SHIFT; struct resource *rp; int ret; |