linux-kernel - Re: [PATCH v3 1/6] genirq/msi: Add cleanup guard define for msi_lock_descs()/msi_unlock

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Message-ID: <87frowauht.ffs@tglx>
Date: Wed, 16 Oct 2024 18:21:50 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Frank Li <Frank.Li@....com>, Manivannan Sadhasivam
 <manivannan.sadhasivam@...aro.org>, Krzysztof Wilczyński
 <kw@...ux.com>,
 Kishon Vijay Abraham I <kishon@...nel.org>, Bjorn Helgaas
 <bhelgaas@...gle.com>, Arnd Bergmann <arnd@...db.de>, Greg Kroah-Hartman
 <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
 imx@...ts.linux.dev, Niklas Cassel <cassel@...nel.org>,
 dlemoal@...nel.org, maz@...nel.org, jdmason@...zu.us, Frank Li
 <Frank.Li@....com>
Subject: Re: [PATCH v3 1/6] genirq/msi: Add cleanup guard define for
 msi_lock_descs()/msi_unlock_descs()

On Tue, Oct 15 2024 at 18:07, Frank Li wrote:

> Add a cleanup DEFINE_GUARD macro for msi_lock_descs() and
> msi_unlock_descs() to simplify lock and unlock operations in error
> path.

What for?

Thanks,

        tglx