diff options
| author | David S. Miller <davem@davemloft.net> | 2011-04-11 12:53:51 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-11 12:53:51 -0700 |
| commit | 0e10b33a05fd57a8aaf9672e05e83937fb243a08 (patch) | |
| tree | a8d8551e84a72b2f696b6d1f6112babb27d441ee /drivers/net/wireless/mwl8k.c | |
| parent | b42282e5a05018ecdc0d63a4ad530b0999785912 (diff) | |
| parent | 4a39e781682828c1b81a839e7d343fd91945a8d5 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
| -rw-r--r-- | drivers/net/wireless/mwl8k.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 36952274950..c1ceb4b2397 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -137,6 +137,7 @@ struct mwl8k_tx_queue { struct mwl8k_priv { struct ieee80211_hw *hw; struct pci_dev *pdev; + int irq; struct mwl8k_device_info *device_info; @@ -3761,9 +3762,11 @@ static int mwl8k_start(struct ieee80211_hw *hw) rc = request_irq(priv->pdev->irq, mwl8k_interrupt, IRQF_SHARED, MWL8K_NAME, hw); if (rc) { + priv->irq = -1; wiphy_err(hw->wiphy, "failed to register IRQ handler\n"); return -EIO; } + priv->irq = priv->pdev->irq; /* Enable TX reclaim and RX tasklets. */ tasklet_enable(&priv->poll_tx_task); @@ -3800,6 +3803,7 @@ static int mwl8k_start(struct ieee80211_hw *hw) if (rc) { iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); free_irq(priv->pdev->irq, hw); + priv->irq = -1; tasklet_disable(&priv->poll_tx_task); tasklet_disable(&priv->poll_rx_task); } @@ -3818,7 +3822,10 @@ static void mwl8k_stop(struct ieee80211_hw *hw) /* Disable interrupts */ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); - free_irq(priv->pdev->irq, hw); + if (priv->irq != -1) { + free_irq(priv->pdev->irq, hw); + priv->irq = -1; + } /* Stop finalize join worker */ cancel_work_sync(&priv->finalize_join_worker); |