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bnx2: Handle error condition in ->slot_reset()

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by closing the device if necessary.  Otherwise, since NAPI state is
already disabled, a subsequent close will hang the system.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2013-08-06 15:50:07 -07:00 committed by David S. Miller
parent 5721f9432d
commit 02481bc678
1 changed files with 10 additions and 5 deletions
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15
drivers/net/ethernet/broadcom/bnx2.c
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@ -8694,14 +8694,13 @@ static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct bnx2 *bp = netdev_priv(dev);
pci_ers_result_t result;
int err;
pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
int err = 0;
rtnl_lock();
if (pci_enable_device(pdev)) {
dev_err(&pdev->dev,
"Cannot re-enable PCI device after reset\n");
result = PCI_ERS_RESULT_DISCONNECT;
} else {
pci_set_master(pdev);
pci_restore_state(pdev);
@ -8709,9 +8708,15 @@ static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
if (netif_running(dev)) {
bnx2_set_power_state(bp, PCI_D0);
bnx2_init_nic(bp, 1);
err = bnx2_init_nic(bp, 1);
}
result = PCI_ERS_RESULT_RECOVERED;
if (!err)
result = PCI_ERS_RESULT_RECOVERED;
}
if (result != PCI_ERS_RESULT_RECOVERED && netif_running(dev)) {
bnx2_napi_enable(bp);
dev_close(dev);
}
rtnl_unlock();