tag 96e3bad71173f157be147a9af345b161847e1338
tagger Bjorn Helgaas <bhelgaas@google.com> Thu Jan 19 08:14:17 2017 -0600
object 4d191b1b63c209e37bf27938ef365244d3c41084

pci-v4.10-fixes-1

commit 4d191b1b63c209e37bf27938ef365244d3c41084
author Marc Zyngier <marc.zyngier@arm.com> Tue Jan 17 14:21:56 2017 +0000
committer Bjorn Helgaas <bhelgaas@google.com> Tue Jan 17 08:41:51 2017 -0600
tree f2ab6cdb65ddacdf2e7c019cd55e353f0c16b400
parent 51ebfc92b72b4f7dac1ab45683bf56741e454b8c

PCI/MSI: pci-xgene-msi: Fix CPU hotplug registration handling

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")
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Duc Dang <dhdang@apm.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: stable@vger.kernel.org