get rid of pointless checks for NULL ->i_op

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index ca65f39..1b1283b 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -779,8 +779,7 @@
 	}
 
 	ret = -EPERM;
-	if (!subdir->d_inode->i_op ||
-	    !subdir->d_inode->i_op->setxattr ||
+	if (!subdir->d_inode->i_op->setxattr ||
 	    !subdir->d_inode->i_op->getxattr ||
 	    !subdir->d_inode->i_op->lookup ||
 	    !subdir->d_inode->i_op->mkdir ||