summaryrefslogtreecommitdiffstats
path: root/drivers/net/e1000
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/e1000')
-rw-r--r--drivers/net/e1000/e1000_main.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 5b4c6c0..c88439d 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -521,8 +521,21 @@ void e1000_down(struct e1000_adapter *adapter)
e1000_clean_all_rx_rings(adapter);
}
+void e1000_reinit_safe(struct e1000_adapter *adapter)
+{
+ while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
+ msleep(1);
+ rtnl_lock();
+ e1000_down(adapter);
+ e1000_up(adapter);
+ rtnl_unlock();
+ clear_bit(__E1000_RESETTING, &adapter->flags);
+}
+
void e1000_reinit_locked(struct e1000_adapter *adapter)
{
+ /* if rtnl_lock is not held the call path is bogus */
+ ASSERT_RTNL();
WARN_ON(in_interrupt());
while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
msleep(1);
@@ -2247,7 +2260,10 @@ static void e1000_update_phy_info_task(struct work_struct *work)
struct e1000_adapter,
phy_info_task);
struct e1000_hw *hw = &adapter->hw;
+
+ rtnl_lock();
e1000_phy_get_info(hw, &adapter->phy_info);
+ rtnl_unlock();
}
/**
@@ -2273,6 +2289,7 @@ static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
struct net_device *netdev = adapter->netdev;
u32 tctl;
+ rtnl_lock();
if (atomic_read(&adapter->tx_fifo_stall)) {
if ((er32(TDT) == er32(TDH)) &&
(er32(TDFT) == er32(TDFH)) &&
@@ -2293,6 +2310,7 @@ static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
}
}
+ rtnl_unlock();
}
bool e1000_has_link(struct e1000_adapter *adapter)
@@ -3160,7 +3178,7 @@ static void e1000_reset_task(struct work_struct *work)
struct e1000_adapter *adapter =
container_of(work, struct e1000_adapter, reset_task);
- e1000_reinit_locked(adapter);
+ e1000_reinit_safe(adapter);
}
/**
OpenPOWER on IntegriCloud