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authorKeith Busch <kbusch@kernel.org>2021-01-04 15:02:57 -0800
committerBjorn Helgaas <bhelgaas@google.com>2021-02-23 17:10:42 -0600
commit7a8a22be35a5058366429e311017e05206c43137 (patch)
treee1b79ca6881ea36f2954b6e85e4dc2d76c1dc0b7 /drivers/pci/pcie/aer.c
parentPCI/ERR: Clear status of the reporting device (diff)
downloadwireguard-linux-7a8a22be35a5058366429e311017e05206c43137.tar.xz
wireguard-linux-7a8a22be35a5058366429e311017e05206c43137.zip
PCI/AER: Clear AER status from Root Port when resetting Downstream Port
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>
Diffstat (limited to 'drivers/pci/pcie/aer.c')
-rw-r--r--drivers/pci/pcie/aer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 77b0f2c45bc0..3fd4aaaa627e 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -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