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bnxt_en: Improve AER slot reset.

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[ Upstream commit bae361c54f ]

Improve the slot reset sequence by disabling the device to prevent bad
DMAs if slot reset fails.  Return the proper result instead of always
PCI_ERS_RESULT_RECOVERED to the caller.

Fixes: 6316ea6db9 ("bnxt_en: Enable AER support.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Chan
2020-04-26 16:24:40 -04:00
committed by Greg Kroah-Hartman
parent 7fb0515467
commit f4bcdb1b3f
1 changed files with 6 additions and 3 deletions
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9
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@@ -7166,8 +7166,11 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
result = PCI_ERS_RESULT_RECOVERED;
}
if (result != PCI_ERS_RESULT_RECOVERED && netif_running(netdev))
dev_close(netdev);
if (result != PCI_ERS_RESULT_RECOVERED) {
if (netif_running(netdev))
dev_close(netdev);
pci_disable_device(pdev);
}
rtnl_unlock();
@@ -7178,7 +7181,7 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
err); /* non-fatal, continue */
}
return PCI_ERS_RESULT_RECOVERED;
return result;
}
/**