From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9B0F9C54EBE for ; Mon, 16 Jan 2023 09:04:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pHLPR-0002PT-1w; Mon, 16 Jan 2023 04:04:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHLP6-0002Nf-Pv for qemu-devel@nongnu.org; Mon, 16 Jan 2023 04:03:45 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHLP1-0000SB-Se for qemu-devel@nongnu.org; Mon, 16 Jan 2023 04:03:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1673859814; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5kiTbgPy2ypzSCZsWcvRxUdpeFJJgsBBBz9ZUxOK4+g=; b=hD01tpCWkgSYpMaq222ZCQJNBq6z7Q/gKfMQFEBppBCNHtvCVeQjI26rut6Mezm6hp53ZN 8SDCYZZO9towN1IA8vbabgowg4LVomF2YrCBFsEKMsHCz0EDmp97wEDM1B5sUN9Aa9J9dn CFOS/pmPYpSjZsISwCcKOJHc2PDK80g= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-116-iqk9a3hfNHO2qV6f6iY1PQ-1; Mon, 16 Jan 2023 04:03:33 -0500 X-MC-Unique: iqk9a3hfNHO2qV6f6iY1PQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D74403814588; Mon, 16 Jan 2023 09:03:32 +0000 (UTC) Received: from redhat.com (unknown [10.33.36.143]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1C2312026D68; Mon, 16 Jan 2023 09:03:29 +0000 (UTC) Date: Mon, 16 Jan 2023 09:03:26 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Volker =?utf-8?Q?R=C3=BCmelin?= Cc: Gerd Hoffmann , Christian Schoenebeck , Thomas Huth , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , qemu-devel@nongnu.org Subject: Re: [PATCH 08/11] audio/audio_template: use g_new0() to replace audio_calloc() Message-ID: References: <3b1404eb-a7c5-f64c-3e47-1397c54c45bb@t-online.de> <20221218171539.11193-8-vr_qemu@t-online.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20221218171539.11193-8-vr_qemu@t-online.de> User-Agent: Mutt/2.2.9 (2022-11-12) X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Sun, Dec 18, 2022 at 06:15:36PM +0100, Volker RĂ¼melin wrote: > Replace audio_calloc() with the equivalent g_new0(). > > With a n_structs argument >= 1, g_new0() never returns NULL. > Also remove the unnecessary NULL checks. > > Signed-off-by: Volker RĂ¼melin > --- > audio/audio_template.h | 23 ++++++----------------- > 1 file changed, 6 insertions(+), 17 deletions(-) > > diff --git a/audio/audio_template.h b/audio/audio_template.h > index 5f51ef26b2..9c600448fb 100644 > --- a/audio/audio_template.h > +++ b/audio/audio_template.h > @@ -129,12 +129,7 @@ static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw) > return -1; > } > > - sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample)); > - if (!sw->buf) { > - dolog ("Could not allocate buffer for `%s' (%d samples)\n", > - SW_NAME (sw), samples); > - return -1; > - } > + sw->buf = g_new0(st_sample, samples); "samples" is a signed integer, and audio_calloc would check for it being negative and raise an error. It would also check for samples being zero. I think we still need both these checks, as a negative value of samples when cast to size_t would be a huge size. With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|