From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D155130C150 for ; Sun, 26 Jul 2026 20:45:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785098711; cv=none; b=L1Wbetp9U4tEnyvW1opTcFdr+7pmW6bohojrQmGQS1Em52bFlD8uuGDPWawhmbu9PygA4d5CUj3Qj1rlYNBS6fQbVMKZiHMNFVBMrwfR6awqrYszEtzHy2P5nDjdd0XEAorMPYbVE9wycyq8/DcdmeXHWtRQ7cl6xBYL9z/QvUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785098711; c=relaxed/simple; bh=3UnWZex6baDzxFVuUrTLJxfd3oiqd2OltWOdP/euIvM=; h=From:Date:Subject:MIME-Version:Message-Id:References:In-Reply-To: To:Cc:Content-Type; b=jqFlKPWM+am0Y1oRtdVlnzU3CaaqdgkdY1BXh83CaMnyJs4N1fuJbi70AIYjmUDjRkqVyD3eKbKT250JB0FoRm4WPcE6elwpIKm04VSjr5TsKDiimfgNdrQaIbPYaOi2LsP9hLf47ooX2o2skiC70a6Hjemh47MyVsRbgpH2t7Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=d9eUFR7c; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="d9eUFR7c" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1785098708; h=from:from: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=+FFIp2SBJj7/UmITR6GElKqfeokWCJ3beC16SLLIWMY=; b=d9eUFR7cxRmwYZbxxVIBUHFWhWeIwQ4LIBbLel9oXgyWYbHz9wj2YXjtGFpSs0QU8C5iCp rg+zGjSlCHaODJe7M4i8MvHCQ6vqO3W9JfnwmlrnzLWFYBdWPeEMUcnODhTs0eGX/kQyKb l1bS40IFncIuqhQSu6XjqkdHzsqjqdY= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-34-SXfvALBEOgO8GzBQWRvcbg-1; Sun, 26 Jul 2026 16:45:05 -0400 X-MC-Unique: SXfvALBEOgO8GzBQWRvcbg-1 X-Mimecast-MFC-AGG-ID: SXfvALBEOgO8GzBQWRvcbg_1785098703 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 939971955F01; Sun, 26 Jul 2026 20:45:02 +0000 (UTC) Received: from localhost (unknown [10.44.24.5]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 8B77419560AB; Sun, 26 Jul 2026 20:45:00 +0000 (UTC) From: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Date: Mon, 27 Jul 2026 00:44:06 +0400 Subject: [PATCH v2 07/12] Fix some -Werror=maybe-uninitialized Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20260727-fix2-v2-7-d0c4831ed7ea@redhat.com> References: <20260727-fix2-v2-0-d0c4831ed7ea@redhat.com> In-Reply-To: <20260727-fix2-v2-0-d0c4831ed7ea@redhat.com> To: qemu-devel@nongnu.org Cc: "Michael S. Tsirkin" , =?utf-8?q?Alex_Benn=C3=A9e?= , Akihiko Odaki , Dmitry Osipenko , Stefan Hajnoczi , Kevin Wolf , Hanna Reitz , qemu-block@nongnu.org, Jonathan Cameron , Paolo Bonzini , Fam Zheng , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Zhao Liu , Roman Bolshakov , Phil Dennis-Jordan , Wei Liu , linux-cxl@vger.kernel.org, Brian Cain , Pierrick Bouvier , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Peter Xu , Fabiano Rosas , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Developer-Signature: v=1; a=openpgp-sha256; l=1803; i=marcandre.lureau@redhat.com; h=from:subject:message-id; bh=3UnWZex6baDzxFVuUrTLJxfd3oiqd2OltWOdP/euIvM=; b=owEBbQKS/ZANAwAKAdro4Ql1lpzlAcsmYgBqZnGXzJ0ABEJmKJsuXsfXQAGERWo8tNNTFGByc JHhjqKvqcOJAjMEAAEKAB0WIQSHqb2TP4fGBtJ29i3a6OEJdZac5QUCamZxlwAKCRDa6OEJdZac 5SpYEACJH1ameo9+zi+gvE2TYQV/5Rnkbi+pq0DNMvr3n2gHRm9HYCvTbYghyNbND/7wzjF8bVw d4CylRj13bri14R7cvmOKxT4AiRWNOPo7DBUmTZByXdxHd1iLYgPpMRuzNirJSu1YeKnsYBpV4k ZB32b3FlbOzQxaBXiClHdDZ1pqoLYb3YVoAtvT/S6umIxEzYVVhw9OBzm5K0+JZVTkl+Ny6yJY+ S92cvphIO3im9VMutVJpnRHGA9uAGXZXwprk1efpQEWfGZsSnM6YTZuk6Y/nWDDC6RL4KQEGPFR jDu6MNA2KwQDDyQ5IwJRGVxqnbUdJA7/UCCiRzrIWRaa4NpH/l+Zv6MCXrXSoFBh8LbciBh5MeI KmBw0QDxK69trDgPpaqxi0Azuv3Qu9TbOzfFf6U7zKzo+3tr4QKXhMC+3yLNM1aukxVH2HK1N6U yOLZxZxNPvFonjx91Be1KiWJUG86iV6CouCeuWNlxwc//3hSixcLvYGfVMQHC620mWGbl/kQ+ib zu55xP0PR7oFVKAkrSSn+lL2U+nEzIEUHAXYCxnNnkagGoT1yV6+8NImV2Bx5KZTPAX1pylJDmz PIW5kkYMr2NumoNyF57sJFjLlhpF3Cy0l86nFJ/Ulk65JNnnsEIYNgUqckUJjjhtuh5vv0OADJm +zpaTFFRkp7JHSw== X-Developer-Key: i=marcandre.lureau@redhat.com; a=openpgp; fpr=87A9BD933F87C606D276F62DDAE8E10975969CE5 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-MFC-PROC-ID: mFKGqhL7zibUPsgDrR4snbqSbpV1_9R_lsDiXLXAvz0_1785098703 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit When compiled with -Og, gcc produces many false-positives gcc (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2). We already use auto-var-init=zero, but better be explicit. Signed-off-by: Marc-André Lureau --- target/i386/cpu.c | 3 ++- target/i386/emulate/x86_mmu.c | 4 ++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 5805d33ab92d..28e4435df23f 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7734,7 +7734,7 @@ static void x86_cpuid_get_avx10_version(Object *obj, Visitor *v, static bool x86_cpu_apply_avx10_features(X86CPU *cpu, uint8_t version, Error **errp) { - const AVX10VersionDefinition *def; + const AVX10VersionDefinition *def = NULL; CPUX86State *env = &cpu->env; if (!version) { @@ -7757,6 +7757,7 @@ static bool x86_cpu_apply_avx10_features(X86CPU *cpu, uint8_t version, break; } } + assert(def != NULL); if (def->version < version) { error_setg(errp, "avx10-version can be at most %d", def->version); diff --git a/target/i386/emulate/x86_mmu.c b/target/i386/emulate/x86_mmu.c index 8d4371467fd7..65bcccd4751e 100644 --- a/target/i386/emulate/x86_mmu.c +++ b/target/i386/emulate/x86_mmu.c @@ -185,8 +185,8 @@ static MMUTranslateResult walk_gpt(CPUState *cpu, target_ulong addr, MMUTranslat int largeness = 0; target_ulong cr3 = x86_read_cr(cpu, 3); uint64_t page_mask = pae ? PAE_PTE_PAGE_MASK : LEGACY_PTE_PAGE_MASK; - MMUTranslateResult res; - + MMUTranslateResult res = MMU_TRANSLATE_PAGE_NOT_MAPPED; + memset(pt, 0, sizeof(*pt)); top_level = gpt_top_level(cpu, pae); -- 2.55.0