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be2net: Fix pcie error recovery in case of NIC+RoCE adapters 

Interrupts registered by RoCE driver are not unregistered when
msix interrupts are disabled during error recovery causing a
crash. Detach the adapter instance from RoCE driver when error
is detected to complete the cleanup. Attach the driver again after
the adapter is recovered from error.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Padmanabh Ratnakar 2016-02-18 03:09:34 +05:30 committed by David S. Miller
parent 7c4a1d0cfd
commit 68f227930b
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/emulex/benet/be_main.c
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@ -5456,6 +5456,8 @@ static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev,
dev_err(&adapter->pdev->dev, "EEH error detected\n");
be_roce_dev_remove(adapter);
if (!be_check_error(adapter, BE_ERROR_EEH)) {
be_set_error(adapter, BE_ERROR_EEH);
@ -5520,6 +5522,8 @@ static void be_eeh_resume(struct pci_dev *pdev)
if (status)
goto err;
be_roce_dev_add(adapter);
be_schedule_err_detection(adapter, ERR_DETECTION_DELAY);
return;
err: