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[PATCHv2,2/5] PCI/AER: Actually get the root port

Message ID 20210104230300.1277180-3-kbusch@kernel.org
State New
Headers show
Series aer handling fixups | expand

Commit Message

Keith Busch Jan. 4, 2021, 11:02 p.m. UTC 
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.

Acked-by: Sean V Kelley <sean.v.kelley@intel.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
 drivers/pci/pcie/aer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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