From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 DB13E3B27DC; Mon, 7 Sep 2026 06:51:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788763891; cv=none; b=BSKwscVATI2eJql+hreeRPSCNFEKOzA2rIDy0ekgiPiTaX9s+mKDL6X+IDeStmSyFnL5nMYwwqCVDYbEy3R4vSMcHgBBg87yg92lPj9dLlIjhZv9bWm6rQCsk3qEyvgbgeliOc6vNE2uY2Z6SvdvBmF4UDU2I661cfsUz2lN4R8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788763891; c=relaxed/simple; bh=duM4FHxoU+m46Q2auZ4YTTmQ7c08blxA1CbJkARAYFM=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=kGg8g39Vvh7ne6Nzu5zbaZMFcKztn3Yk9lqBzp0i09q8TJL1JlxXkMSI+Ja1anrnE7fe50Z/e0Lq+vQMbVTL4J8nZtTfXtV0PAJflAVvbmEAE9zOd91ZROsvEv/mssPaqpU75RouBOZwjlcX5+Vgs0PUPFEbQ8UylcQZUWFQBDk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EozCEiYK; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EozCEiYK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47E091F00A3A; Mon, 7 Sep 2026 06:51:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788763889; bh=XlC9wA0KQFZjjU8YQpMqcfscNkbTh8ePy/dmG6UosIU=; h=Date:Subject:From:To:Cc:References:In-Reply-To; b=EozCEiYK1JRczd4YT+fMyA0nDSwEY0+TnROFvAKR1myZTT2vicsfcPJJp33ziD7Qw 7wYkeJNcYtuRWO7f+c2cczpEl9F5xxeoI1Y5DLp5s+NSFFQkuTP2YekWkmrxjDC9IN mXEmqSFRpDeTN1MCNJYBl1ytX3Px8pTYWPMB5wLn2Xrew2kt8b3B4dlJ6fl8kflE+3 Q0CH1XdDbJGf9bX5sfoX3uk6XreffsqHdMC1CWc6HCfD1wLPokyLA6PNo1GTs3rs2V 8VXr1WAxR8sUjWq1gDdm7aaHrCHrdMLR/VYr+cRZc3efAo47xU6X00hpnwY6x1vwkV xYLo2jX1aCzhg== Message-ID: Date: Mon, 7 Sep 2026 08:51:26 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/4] serial: revert guards in uart_wait_modem_status() From: Jiri Slaby To: Johan Hovold , Greg Kroah-Hartman Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20260907064418.92953-1-johan@kernel.org> <20260907064418.92953-2-johan@kernel.org> <3f33d9f0-65c2-49b7-bb6d-2fe33f0d8fbe@kernel.org> Content-Language: en-US Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 07. 09. 26, 8:47, Jiri Slaby wrote: > On 07. 09. 26, 8:44, Johan Hovold wrote: >> Mixing scope-based and regular cleanup is discouraged and >> uart_port_deref() used by uart_wait_modem_status() falls in the latter >> category. >> >> Revert the premature guard conversion in preparation for fixing a hangup >> race. > > It's not premature. Just convert uart_port_ref() to guards too. Gotos suck. (Or don't use gotos and I will.) -- js suse labs