Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756532AbZJSOuU (ORCPT ); Mon, 19 Oct 2009 10:50:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756439AbZJSOuT (ORCPT ); Mon, 19 Oct 2009 10:50:19 -0400 Received: from fg-out-1718.google.com ([72.14.220.154]:5035 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756436AbZJSOuR convert rfc822-to-8bit (ORCPT ); Mon, 19 Oct 2009 10:50:17 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=luNkrgp7pxjJbIu9p8whCt0lk3MI1cmkd4/JW6kkQqFyLXzis0G6cVMh9T98dVGGiP pBFsXa1Tg0yqe2Lw++9vAM2Bv0tfKMfJK9Lu+vKDrXXBbn0Opiu1nyU8fvtRku2wkqg0 QNgP/HBnHGmO2Saz5RQcgM430I0Ic5ciQW4yo= MIME-Version: 1.0 In-Reply-To: References: <1255906474-25091-1-git-send-email-felipe.contreras@gmail.com> <1255906474-25091-3-git-send-email-felipe.contreras@gmail.com> Date: Mon, 19 Oct 2009 17:50:21 +0300 Message-ID: <94a0d4530910190750j5674ef13m93198b68d305b188@mail.gmail.com> Subject: Re: [PATCH 2/7] ipc: fix trivial warning From: Felipe Contreras To: Jiri Kosina Cc: linux-kernel@vger.kernel.org, Heiko Carstens 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 Content-Length: 1485 Lines: 41 On Mon, Oct 19, 2009 at 5:12 PM, Jiri Kosina wrote: > On Mon, 19 Oct 2009, Felipe Contreras wrote: > >> Commit a0d092f introduced the following warning: >> ipc/msg.c: In function ?msgctl_down?: >> ipc/msg.c:415: warning: ?msqid64? may be used uninitialized in this function >> >> Signed-off-by: Felipe Contreras >> --- >>  ipc/msg.c |    2 +- >>  1 files changed, 1 insertions(+), 1 deletions(-) >> >> diff --git a/ipc/msg.c b/ipc/msg.c >> index 2ceab7f..085bd58 100644 >> --- a/ipc/msg.c >> +++ b/ipc/msg.c >> @@ -412,7 +412,7 @@ static int msgctl_down(struct ipc_namespace *ns, int msqid, int cmd, >>                      struct msqid_ds __user *buf, int version) >>  { >>       struct kern_ipc_perm *ipcp; >> -     struct msqid64_ds msqid64; >> +     struct msqid64_ds uninitialized_var(msqid64); >>       struct msg_queue *msq; >>       int err; > > What gcc are you using? I am not getting any warning at least with gcc > "(SUSE Linux) 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision > 135036]" gcc (GCC) 4.4.1 20090725 (Red Hat 4.4.1-2) Since I moved to Fedora 11 I get more warnings than other people, possibly because gcc 4.4. -- Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/