1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 38be4b0dbd1c..91dd669273e0 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -231,9 +231,7 @@ static ssize_t write_mem(struct file * file, const char __user * buf,
 static int mmap_mem(struct file * file, struct vm_area_struct * vma)
 {
 #if defined(__HAVE_PHYS_MEM_ACCESS_PROT)
-        unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
-
-        vma->vm_page_prot = phys_mem_access_prot(file, offset,
+        vma->vm_page_prot = phys_mem_access_prot(file, vma->vm_pgoff,
                                                  vma->vm_end - vma->vm_start,
                                                  vma->vm_page_prot);
 #elif defined(pgprot_noncached)