From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 15 Feb 2018 16:25:09 +0100 (CET) Received: from mail.linuxfoundation.org ([140.211.169.12]:38584 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992273AbeBOPZCRXHF3 (ORCPT ); Thu, 15 Feb 2018 16:25:02 +0100 Received: from localhost (LFbn-1-12258-90.w90-92.abo.wanadoo.fr [90.92.71.90]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id B7B4BFA3; Thu, 15 Feb 2018 15:24:55 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, James Hogan , David Daney , linux-edac , linux-mips@linux-mips.org, Borislav Petkov Subject: [PATCH 4.4 101/108] EDAC, octeon: Fix an uninitialized variable warning Date: Thu, 15 Feb 2018 16:17:38 +0100 Message-Id: <20180215151236.402501789@linuxfoundation.org> X-Mailer: git-send-email 2.16.1 In-Reply-To: <20180215151222.267507937@linuxfoundation.org> References: <20180215151222.267507937@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 62556 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: gregkh@linuxfoundation.org Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: James Hogan commit 544e92581a2ac44607d7cc602c6b54d18656f56d upstream. Fix an uninitialized variable warning in the Octeon EDAC driver, as seen in MIPS cavium_octeon_defconfig builds since v4.14 with Codescape GNU Tools 2016.05-03: drivers/edac/octeon_edac-lmc.c In function ‘octeon_lmc_edac_poll_o2’: drivers/edac/octeon_edac-lmc.c:87:24: warning: ‘((long unsigned int*)&int_reg)[1]’ may \ be used uninitialized in this function [-Wmaybe-uninitialized] if (int_reg.s.sec_err || int_reg.s.ded_err) { ^ Iinitialise the whole int_reg variable to zero before the conditional assignments in the error injection case. Signed-off-by: James Hogan Acked-by: David Daney Cc: linux-edac Cc: linux-mips@linux-mips.org Fixes: 1bc021e81565 ("EDAC: Octeon: Add error injection support") Link: http://lkml.kernel.org/r/20171113161206.20990-1-james.hogan@mips.com Signed-off-by: Borislav Petkov Signed-off-by: Greg Kroah-Hartman --- drivers/edac/octeon_edac-lmc.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/edac/octeon_edac-lmc.c +++ b/drivers/edac/octeon_edac-lmc.c @@ -79,6 +79,7 @@ static void octeon_lmc_edac_poll_o2(stru if (!pvt->inject) int_reg.u64 = cvmx_read_csr(CVMX_LMCX_INT(mci->mc_idx)); else { + int_reg.u64 = 0; if (pvt->error_type == 1) int_reg.s.sec_err = 1; if (pvt->error_type == 2)