From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D3E5F17A2F0; Sat, 7 Feb 2026 04:20:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770438024; cv=none; b=OQ8NncwbfpjaoSV1m+BL+oRSBlm94/JZd8btK/fzA3HGtcy9/Q/cxnPh+THMdE5NRzmhdQ7SAyknIgNCKxVdBN++jmTyOMyoz5qOlnT8iAaKq2x1ZhvUwFJ+WtfEiBEEYANv3TmAqMoNnTat096XTSjZBzHSEt0eFn15eS6GxzE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770438024; c=relaxed/simple; bh=s2fnzSSbfVz3F9An5frwxiKGXeWg4nVdDhrnju2Xia4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ZqBJby0O5uIl8kOb/AKvjIehqdmz249aj0vxjRW6bql37YiEaRsO7Luum4M/Ae4tsMA/W6Wyyoy+Fk0onD4Xiqs4dMtvMiff5FN+8PH4IzUrTpEEJiHXUofUjiGDTLxxK3EuVwPnL8i91Qw762vG85B8KrKnwbqxrSnQZgDiEJU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=udXyDYAv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="udXyDYAv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8ACBFC116D0; Sat, 7 Feb 2026 04:20:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770438024; bh=s2fnzSSbfVz3F9An5frwxiKGXeWg4nVdDhrnju2Xia4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=udXyDYAv11zL+/qzFCIbPXOYGjFHA8UCVVRvrWFOF5KWvy/hEHPe5ncPUrqq666uz CSc1+u/M9GyDyA7HJ2PX4zgjv7QleEQHA24fqBXbcXUAIOFvMj5iXX5L0muBplf0SC IGS8ccnl7nsynf2gQTIyeLI7ATKJZ4EOckv2+/hzYZ/RO2fiace1oMBr9ifN72n5KQ XqDxqd/smT5+ZiiFzEy5BSkewAqoMBKHdWQpnCgQTlcprO0IezEmuoAUHGkRNCSUYk G85hGLK0WdKx8fKo4c0uQh47pElUBF0xHd4tion5kAO0UwOCVUU7NHxiQQ4B43zAy0 RMqaRgQ+hfW0g== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id C23743809A1A; Sat, 7 Feb 2026 04:20:22 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] [v4] myri10ge: avoid uninitialized variable use From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177043802159.1183264.4531591321232273015.git-patchwork-notify@kernel.org> Date: Sat, 07 Feb 2026 04:20:21 +0000 References: <20260205162935.2126442-1-arnd@kernel.org> In-Reply-To: <20260205162935.2126442-1-arnd@kernel.org> To: Arnd Bergmann Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, arnd@arndb.de, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Thu, 5 Feb 2026 17:28:09 +0100 you wrote: > From: Arnd Bergmann > > While compile testing on less common architectures, I noticed that gcc-10 on > s390 finds a bug that all other configurations seem to miss: > > drivers/net/ethernet/myricom/myri10ge/myri10ge.c: In function 'myri10ge_set_multicast_list': > drivers/net/ethernet/myricom/myri10ge/myri10ge.c:391:25: error: 'cmd.data0' is used uninitialized in this function [-Werror=uninitialized] > 391 | buf->data0 = htonl(data->data0); > | ^~ > drivers/net/ethernet/myricom/myri10ge/myri10ge.c:392:25: error: '*((void *)&cmd+4)' is used uninitialized in this function [-Werror=uninitialized] > 392 | buf->data1 = htonl(data->data1); > | ^~ > drivers/net/ethernet/myricom/myri10ge/myri10ge.c: In function 'myri10ge_allocate_rings': > drivers/net/ethernet/myricom/myri10ge/myri10ge.c:392:13: error: 'cmd.data1' is used uninitialized in this function [-Werror=uninitialized] > 392 | buf->data1 = htonl(data->data1); > drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1939:22: note: 'cmd.data1' was declared here > 1939 | struct myri10ge_cmd cmd; > | ^~~ > drivers/net/ethernet/myricom/myri10ge/myri10ge.c:393:13: error: 'cmd.data2' is used uninitialized in this function [-Werror=uninitialized] > 393 | buf->data2 = htonl(data->data2); > drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1939:22: note: 'cmd.data2' was declared here > 1939 | struct myri10ge_cmd cmd; > > [...] Here is the summary with links: - [v4] myri10ge: avoid uninitialized variable use https://git.kernel.org/netdev/net-next/c/fd24173439c0 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html