2007-12-07 02:48:17

by Divy Le ray

[permalink] [raw]
Subject: [PATCH 3/2] cxgb3 - Fix EEH, missing softirq blocking

From: Divy Le Ray <[email protected]>

set_pci_drvdata() stores a pointer to the adapter,
not the net device.
Add missing softirq blocking in t3_mgmt_tx.

Signed-off-by: Divy Le Ray <[email protected]>
---

drivers/net/cxgb3/cxgb3_main.c | 14 ++++----------
drivers/net/cxgb3/sge.c | 7 ++++++-
2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index d1aa777..0e3dcbf 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2408,9 +2408,7 @@ void t3_fatal_err(struct adapter *adapter)
static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct port_info *pi = netdev_priv(dev);
- struct adapter *adapter = pi->adapter;
+ struct adapter *adapter = pci_get_drvdata(pdev);
int i;

/* Stop all ports */
@@ -2444,9 +2442,7 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev,
*/
static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct port_info *pi = netdev_priv(dev);
- struct adapter *adapter = pi->adapter;
+ struct adapter *adapter = pci_get_drvdata(pdev);

if (pci_enable_device(pdev)) {
dev_err(&pdev->dev,
@@ -2469,9 +2465,7 @@ static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev)
*/
static void t3_io_resume(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct port_info *pi = netdev_priv(dev);
- struct adapter *adapter = pi->adapter;
+ struct adapter *adapter = pci_get_drvdata(pdev);
int i;

/* Restart the ports */
@@ -2491,7 +2485,7 @@ static void t3_io_resume(struct pci_dev *pdev)

if (is_offload(adapter)) {
__set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map);
- if (offload_open(dev))
+ if (offload_open(adapter->port[0]))
printk(KERN_WARNING
"Could not bring back offload capabilities\n");
}
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index cef153d..6367cee 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -1364,7 +1364,12 @@ static void restart_ctrlq(unsigned long data)
*/
int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb)
{
- return ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb);
+ int ret;
+ local_bh_disable();
+ ret = ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb);
+ local_bh_enable();
+
+ return ret;
}

/**