From nobody Mon Feb 9 13:58:59 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1671564869216285.5888359381647; Tue, 20 Dec 2022 11:34:29 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p7iH0-0004bp-Kx; Tue, 20 Dec 2022 14:27:34 -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 1p7iGy-0004ZV-6j for qemu-devel@nongnu.org; Tue, 20 Dec 2022 14:27:32 -0500 Received: from coyote.holtmann.net ([212.227.132.17] helo=mail.holtmann.org) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p7iGv-0002Ys-UC for qemu-devel@nongnu.org; Tue, 20 Dec 2022 14:27:31 -0500 Received: from fedora.. (p4fefcc21.dip0.t-ipconnect.de [79.239.204.33]) by mail.holtmann.org (Postfix) with ESMTPSA id 155C6CED0D; Tue, 20 Dec 2022 20:27:26 +0100 (CET) From: Marcel Holtmann To: qemu-devel@nongnu.org, mst@redhat.com, xieyongji@bytedance.com Cc: marcel@holtmann.org Subject: [PATCH v2 03/10] libvhost-user: Cast rc variable to avoid compiler warning Date: Tue, 20 Dec 2022 20:27:15 +0100 Message-Id: <6ea3617a0508d0b0c488c9c0ce64fd1672b3e1ad.1671563795.git.marcel@holtmann.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=212.227.132.17; envelope-from=marcel@holtmann.org; helo=mail.holtmann.org X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1671564870524100001 The assert from recvmsg() return value against an uint32_t size field from a protocol struct throws a compiler warning. CC libvhost-user.o In file included from libvhost-user.c:27: libvhost-user.c: In function =E2=80=98vu_message_read_default=E2=80=99: libvhost-user.c:363:19: error: comparison of integer expressions of differe= nt signedness: =E2=80=98int=E2=80=99 and =E2=80=98uint32_t=E2=80=99 {aka = =E2=80=98unsigned int=E2=80=99} [-Werror=3Dsign-compare] 363 | assert(rc =3D=3D vmsg->size); | ^~ This is not critical, but annoying when the libvhost-user source are used in an external project that has this compiler warning switched on. Signed-off-by: Marcel Holtmann --- subprojects/libvhost-user/libvhost-user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvho= st-user/libvhost-user.c index 67d75ece53b7..bcdf32a24f60 100644 --- a/subprojects/libvhost-user/libvhost-user.c +++ b/subprojects/libvhost-user/libvhost-user.c @@ -339,7 +339,7 @@ vu_message_read_default(VuDev *dev, int conn_fd, VhostU= serMsg *vmsg) goto fail; } =20 - assert(rc =3D=3D vmsg->size); + assert((uint32_t)rc =3D=3D vmsg->size); } =20 return true; --=20 2.38.1