file->f_op is never NULL...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/memory.c b/mm/memory.c
index ca00039..e2bbba4 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -681,7 +681,7 @@
 	if (vma->vm_ops)
 		printk(KERN_ALERT "vma->vm_ops->fault: %pSR\n",
 		       vma->vm_ops->fault);
-	if (vma->vm_file && vma->vm_file->f_op)
+	if (vma->vm_file)
 		printk(KERN_ALERT "vma->vm_file->f_op->mmap: %pSR\n",
 		       vma->vm_file->f_op->mmap);
 	dump_stack();