diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-15 16:53:15 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-15 16:53:15 -0800 |
commit | 3feeba1e53f54f726a39da254a5c41e02530255e (patch) | |
tree | 11be6e023579adb6727884f4cc105c3106a06fb4 /drivers/net/wireless/orinoco/orinoco.c | |
parent | 7e92214b539ea17ccaf0886d140cbba9801a4d40 (diff) | |
parent | a58c891a53aca81c78f9cbe0572a301042470e96 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (95 commits)
b44: GFP_DMA skb should not escape from driver
korina: do not use IRQF_SHARED with IRQF_DISABLED
korina: do not stop queue here
korina: fix handling tx_chain_tail
korina: do tx at the right position
korina: do schedule napi after testing for it
korina: rework korina_rx() for use with napi
korina: disable napi on close and restart
korina: reset resource buffer size to 1536
korina: fix usage of driver_data
bnx2x: First slow path interrupt race
bnx2x: MTU Filter
bnx2x: Indirection table initialization index
bnx2x: Missing brackets
bnx2x: Fixing the doorbell size
bnx2x: Endianness issues
bnx2x: VLAN tagged packets without VLAN offload
bnx2x: Protecting the link change indication
bnx2x: Flow control updated before reporting the link
bnx2x: Missing mask when calculating flow control
...
Diffstat (limited to 'drivers/net/wireless/orinoco/orinoco.c')
-rw-r--r-- | drivers/net/wireless/orinoco/orinoco.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/net/wireless/orinoco/orinoco.c b/drivers/net/wireless/orinoco/orinoco.c index bc84e2792f8..c3bb85e0251 100644 --- a/drivers/net/wireless/orinoco/orinoco.c +++ b/drivers/net/wireless/orinoco/orinoco.c @@ -1610,6 +1610,16 @@ static void orinoco_rx_isr_tasklet(unsigned long data) struct orinoco_rx_data *rx_data, *temp; struct hermes_rx_descriptor *desc; struct sk_buff *skb; + unsigned long flags; + + /* orinoco_rx requires the driver lock, and we also need to + * protect priv->rx_list, so just hold the lock over the + * lot. + * + * If orinoco_lock fails, we've unplugged the card. In this + * case just abort. */ + if (orinoco_lock(priv, &flags) != 0) + return; /* extract desc and skb from queue */ list_for_each_entry_safe(rx_data, temp, &priv->rx_list, list) { @@ -1622,6 +1632,8 @@ static void orinoco_rx_isr_tasklet(unsigned long data) kfree(desc); } + + orinoco_unlock(priv, &flags); } /********************************************************************/ @@ -3645,12 +3657,22 @@ struct net_device void free_orinocodev(struct net_device *dev) { struct orinoco_private *priv = netdev_priv(dev); + struct orinoco_rx_data *rx_data, *temp; - /* No need to empty priv->rx_list: if the tasklet is scheduled - * when we call tasklet_kill it will run one final time, - * emptying the list */ + /* If the tasklet is scheduled when we call tasklet_kill it + * will run one final time. However the tasklet will only + * drain priv->rx_list if the hw is still available. */ tasklet_kill(&priv->rx_tasklet); + /* Explicitly drain priv->rx_list */ + list_for_each_entry_safe(rx_data, temp, &priv->rx_list, list) { + list_del(&rx_data->list); + + dev_kfree_skb(rx_data->skb); + kfree(rx_data->desc); + kfree(rx_data); + } + unregister_pm_notifier(&priv->pm_notifier); orinoco_uncache_fw(priv); |