new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 598ca1c..5311ba1 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -2769,7 +2769,7 @@
 		nr = nr * 10 + c;
 		p++;
 	} while (--len);
-	*(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
+	*(int *)PDE(file_inode(file))->data = nr;
 	return count;
 }