From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60998) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z7JBo-00043f-SF for qemu-devel@nongnu.org; Tue, 23 Jun 2015 04:04:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z7JBn-0006kx-Vp for qemu-devel@nongnu.org; Tue, 23 Jun 2015 04:04:16 -0400 Message-ID: <558912DD.3060509@huawei.com> Date: Tue, 23 Jun 2015 16:03:41 +0800 From: Gonglei MIME-Version: 1.0 References: <1435021270-7768-1-git-send-email-arei.gonglei@huawei.com> <87si9izxkq.fsf@blackfin.pond.sub.org> In-Reply-To: <87si9izxkq.fsf@blackfin.pond.sub.org> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] ossaudio: fix memory leak List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Markus Armbruster Cc: qemu-trivial@nongnu.org, qemu-devel@nongnu.org, kraxel@redhat.com On 2015/6/23 15:35, Markus Armbruster wrote: > writes: > >> From: Gonglei >> >> Variable "conf" going out of scope leaks the storage >> it points to in line 856. >> >> Signed-off-by: Gonglei >> --- >> audio/ossaudio.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/audio/ossaudio.c b/audio/ossaudio.c >> index 11e76a1..7dbe333 100644 >> --- a/audio/ossaudio.c >> +++ b/audio/ossaudio.c >> @@ -853,6 +853,7 @@ static void *oss_audio_init (void) > static void *oss_audio_init (void) > { > OSSConf *conf = g_malloc(sizeof(OSSConf)); > *conf = glob_conf; >> >> if (access(conf->devpath_in, R_OK | W_OK) < 0 || >> access(conf->devpath_out, R_OK | W_OK) < 0) { >> + g_free(conf); >> return NULL; >> } >> return conf; > } > > Simpler (untested): > > static void *oss_audio_init (void) > { > if (access(globconf.devpath_in, R_OK | W_OK) < 0 || > access(globconf.devpath_out, R_OK | W_OK) < 0) { > return NULL; > } > return g_memdup(&glob_conf, sizeof(glob_conf)); > } > I think your approach is better :) Do you want to submit a patch? Or let me post v2 for this? Regards, -Gonglei