patch-2.3.25 linux/drivers/char/mem.c

• Lines: 12
• Date: Thu Oct 28 13:03:38 1999
• Orig file: v2.3.24/linux/drivers/char/mem.c
• Orig date: Fri Oct 22 13:21:48 1999

diff -u --recursive --new-file v2.3.24/linux/drivers/char/mem.c linux/drivers/char/mem.c
@@ -190,10 +190,7 @@
 
 static int mmap_mem(struct file * file, struct vm_area_struct * vma)
 {
-	unsigned long offset = vma->vm_offset;
-
-	if (offset & ~PAGE_MASK)
-		return -ENXIO;
+	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
 
 	/*
 	 * Accessing memory above the top the kernel knows about or