From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38333) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XHKQG-0002Pp-Om for qemu-devel@nongnu.org; Tue, 12 Aug 2014 18:20:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XHKQ7-0006N7-IO for qemu-devel@nongnu.org; Tue, 12 Aug 2014 18:20:04 -0400 Message-ID: <53EA92FC.6000305@gmail.com> Date: Wed, 13 Aug 2014 06:19:40 +0800 From: Chen Gang MIME-Version: 1.0 References: <53DE5538.1020701@gmail.com> <53EA3604.5020402@redhat.com> In-Reply-To: <53EA3604.5020402@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] dump.c: Fix memory leak issue in cleanup processing for dump_init() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Laszlo Ersek Cc: qemu-trivial@nongnu.org, Michael Tokarev , qemu-devel@nongnu.org, agraf@suse.de, qiaonuohan@cn.fujitsu.com, pbonzini@redhat.com, lcapitulino@redhat.com On 08/12/2014 11:43 PM, Laszlo Ersek wrote: > On 08/03/14 17:28, Chen Gang wrote: >> In dump_init(), when failure occurs, need notice about 'fd' and memory >> mapping. So call dump_cleanup() for it (need let all initializations at >> front). >> >> Also simplify dump_cleanup(): remove redundant 'ret' and redundant 'fd' >> checking. >> >> Signed-off-by: Chen Gang >> --- >> [...] > > The patch is not trivial at all, because the lifecycles of the affected > resources are not trivial. > OK, thanks. For me, next, I shall split it into 2 pieces, one for resource leak, and the other for improving current code, which may let reviewers easier (maybe 2 patches belong to 2 different maintainers). > The commit message is an abomination. If you want to contribute to open > source, please learn proper English, and make a *serious* effort to > document your changes. Don't expect earlier contributors to have any > working knowledge about a file they have *maybe* touched several months > ago. People have to swap out a whole load of crap from their minds, and > swap in the old crap, to understand your patch. Help them by writing > good commit messages. > OK, thanks, And I am just trying to be improving. - always communicate with open source (qemu/kvm/kernel/binutils/gcc) in English (it must be). - I read/listen to Holy Bible in English every day: morning and evening in subway (I spend 2 hours from home to office, so 4 hours total), so at least, I spend about 1-1.5 hours for reading/listening per day. > That said, no matter how annoying this submission is, my conscience > didn't allow me to let it go ignored, so I spent the time and made an > effort to track the lifetimes of "s->fd" and "s->list" in, and around, > dump_init(). > OK, thanks, next, you can notify me for it, and I shall try to give some related test (or we can test together for it), although it is not quite easy for me. > The patch seems correct. That's your only excuse for the loss of gray > matter I've suffered while parsing your commit message. > > Reviewed-by: Laszlo Ersek > OK, thank you very much. Thanks. -- Chen Gang Open share and attitude like air water and life which God blessed