From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763416AbdAKKdI (ORCPT ); Wed, 11 Jan 2017 05:33:08 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:57300 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751201AbdAKKdG (ORCPT ); Wed, 11 Jan 2017 05:33:06 -0500 Date: Wed, 11 Jan 2017 11:33:03 +0100 From: Sebastian Andrzej Siewior To: Marc Zyngier Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Duc Dang , Bjorn Helgaas , Thomas Gleixner Subject: Re: [PATCH] PCI/MSI: pci-xgene-msi: Fix CPU hotplug registration handling Message-ID: <20170111103303.5cu4m2f66arucgyp@linutronix.de> References: <1484130407-24707-1-git-send-email-marc.zyngier@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1484130407-24707-1-git-send-email-marc.zyngier@arm.com> User-Agent: NeoMutt/20161126 (1.7.1) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2017-01-11 10:26:47 [+0000], Marc Zyngier wrote: > The conversion to the new hotplug state machine introduced a regression > where a successful hotplug registration would be treated as an error, > effectively disabling the MSI driver forever. > > Fix it by doing the proper check on the return value. > > Fixes: 9c248f8896e6 ("PCI/xgene-msi: Convert to hotplug state machine") Acked-by: Sebastian Andrzej Siewior Sebastian