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PCI/AER: Clear AER status from Root Port when resetting Downstream Port

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The pci_dev parameter given to aer_root_reset() may be a Downstream Port
rather than the Root Port. Get the Root Port from the provided device in
order to clear the root's AER status.

Link: https://lore.kernel.org/r/20210104230300.1277180-3-kbusch@kernel.org
Tested-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sean V Kelley <sean.v.kelley@intel.com>
Acked-by: Hedi Berriche <hedi.berriche@hpe.com>
This commit is contained in:
Keith Busch 2021-01-04 15:02:57 -08:00 committed by Bjorn Helgaas
parent 7d7cbeaba5
commit 7a8a22be35
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/pcie/aer.c
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@ -1388,7 +1388,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
if (type == PCI_EXP_TYPE_RC_END)
root = dev->rcec;
else
root = dev;
root = pcie_find_root_port(dev);
/*
* If the platform retained control of AER, an RCiEP may not have