From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756766AbcGGH66 (ORCPT ); Thu, 7 Jul 2016 03:58:58 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:33822 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756607AbcGGHyi (ORCPT ); Thu, 7 Jul 2016 03:54:38 -0400 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, axboe@fb.com Cc: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= , =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 03/17] lightnvm: initialize ppa_addr in dev_to_generic_addr() Date: Thu, 7 Jul 2016 09:54:09 +0200 Message-Id: <1467878063-22919-4-git-send-email-m@bjorling.me> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1467878063-22919-1-git-send-email-m@bjorling.me> References: <1467878063-22919-1-git-send-email-m@bjorling.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Javier González The ->reserved bit is not initialized when allocated on stack. This may lead targets to misinterpret the PPA as cached. Signed-off-by: Javier González Signed-off-by: Matias Bjørling --- include/linux/lightnvm.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 9c56148..cee4c8d 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -385,6 +385,7 @@ static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev, { struct ppa_addr l; + l.ppa = 0; /* * (r.ppa << X offset) & X len bitmask. X eq. blk, pg, etc. */ -- 2.1.4