nfsd: 4.1 has an rfc number

[safe/jmp/linux-2.6] / mm / filemap_xip.c

diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index bf54f8a..1888b2d 100644 (file)
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -89,8 +89,8 @@ do_xip_mapping_read(struct address_space *mapping,
                        }
                }
                nr = nr - offset;
-               if (nr > len)
-                       nr = len;
+               if (nr > len - copied)
+                       nr = len - copied;
 
                error = mapping->a_ops->get_xip_mem(mapping, index, 0,
                                                        &xip_mem, &xip_pfn);
@@ -296,7 +296,7 @@ out:
        }
 }
 
-static struct vm_operations_struct xip_file_vm_ops = {
+static const struct vm_operations_struct xip_file_vm_ops = {
        .fault  = xip_file_fault,
 };
 
@@ -354,7 +354,7 @@ __xip_file_write(struct file *filp, const char __user *buf,
                        break;
 
                copied = bytes -
-                       __copy_from_user_nocache(xip_mem + offset, buf, bytes, bytes);
+                       __copy_from_user_nocache(xip_mem + offset, buf, bytes);
 
                if (likely(copied > 0)) {
                        status = copied;