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path: root/drivers/net/wireless/strip.c
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Diffstat (limited to 'drivers/net/wireless/strip.c')
-rw-r--r--drivers/net/wireless/strip.c39
1 files changed, 15 insertions, 24 deletions
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index 3d39f6587eb9..38366a56b71f 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -856,7 +856,6 @@ static int strip_change_mtu(struct net_device *dev, int new_mtu)
unsigned char *orbuff = strip_info->rx_buff;
unsigned char *osbuff = strip_info->sx_buff;
unsigned char *otbuff = strip_info->tx_buff;
- unsigned long flags;
if (new_mtu > MAX_SEND_MTU) {
printk(KERN_ERR
@@ -865,11 +864,11 @@ static int strip_change_mtu(struct net_device *dev, int new_mtu)
return -EINVAL;
}
- spin_lock_irqsave(&strip_lock, flags);
+ spin_lock_bh(&strip_lock);
if (!allocate_buffers(strip_info, new_mtu)) {
printk(KERN_ERR "%s: unable to grow strip buffers, MTU change cancelled.\n",
strip_info->dev->name);
- spin_unlock_irqrestore(&strip_lock, flags);
+ spin_unlock_bh(&strip_lock);
return -ENOMEM;
}
@@ -893,7 +892,7 @@ static int strip_change_mtu(struct net_device *dev, int new_mtu)
}
}
strip_info->tx_head = strip_info->tx_buff;
- spin_unlock_irqrestore(&strip_lock, flags);
+ spin_unlock_bh(&strip_lock);
printk(KERN_NOTICE "%s: strip MTU changed fom %d to %d.\n",
strip_info->dev->name, old_mtu, strip_info->mtu);
@@ -984,13 +983,10 @@ static void strip_seq_neighbours(struct seq_file *seq,
const MetricomNodeTable * table,
const char *title)
{
- unsigned long flags;
+ /* We wrap this in a do/while loop, so if the table changes */
+ /* while we're reading it, we just go around and try again. */
struct timeval t;
- /*
- * We wrap this in a do/while loop, so if the table changes
- * while we're reading it, we just go around and try again.
- */
do {
int i;
t = table->timestamp;
@@ -999,9 +995,9 @@ static void strip_seq_neighbours(struct seq_file *seq,
for (i = 0; i < table->num_nodes; i++) {
MetricomNode node;
- spin_lock_irqsave(&strip_lock, flags);
+ spin_lock_bh(&strip_lock);
node = table->node[i];
- spin_unlock_irqrestore(&strip_lock, flags);
+ spin_unlock_bh(&strip_lock);
seq_printf(seq, " %s\n", node.c);
}
} while (table->timestamp.tv_sec != t.tv_sec
@@ -1540,7 +1536,6 @@ static void strip_send(struct strip *strip_info, struct sk_buff *skb)
static int strip_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct strip *strip_info = netdev_priv(dev);
- unsigned long flags;
if (!netif_running(dev)) {
printk(KERN_ERR "%s: xmit call when iface is down\n",
@@ -1579,11 +1574,11 @@ static int strip_xmit(struct sk_buff *skb, struct net_device *dev)
strip_info->dev->name, sx_pps_count / 8);
}
- spin_lock_irqsave(&strip_lock, flags);
+ spin_lock_bh(&strip_lock);
strip_send(strip_info, skb);
- spin_unlock_irqrestore(&strip_lock, flags);
+ spin_unlock_bh(&strip_lock);
if (skb)
dev_kfree_skb(skb);
@@ -2268,13 +2263,12 @@ static void strip_receive_buf(struct tty_struct *tty, const unsigned char *cp,
{
struct strip *strip_info = tty->disc_data;
const unsigned char *end = cp + count;
- unsigned long flags;
if (!strip_info || strip_info->magic != STRIP_MAGIC
|| !netif_running(strip_info->dev))
return;
- spin_lock_irqsave(&strip_lock, flags);
+ spin_lock_bh(&strip_lock);
#if 0
{
struct timeval tv;
@@ -2341,7 +2335,7 @@ static void strip_receive_buf(struct tty_struct *tty, const unsigned char *cp,
}
cp++;
}
- spin_unlock_irqrestore(&strip_lock, flags);
+ spin_unlock_bh(&strip_lock);
}
@@ -2529,11 +2523,9 @@ static void strip_dev_setup(struct net_device *dev)
static void strip_free(struct strip *strip_info)
{
- unsigned long flags;
-
- spin_lock_irqsave(&strip_lock, flags);
+ spin_lock_bh(&strip_lock);
list_del_rcu(&strip_info->list);
- spin_unlock_irqrestore(&strip_lock, flags);
+ spin_unlock_bh(&strip_lock);
strip_info->magic = 0;
@@ -2547,7 +2539,6 @@ static void strip_free(struct strip *strip_info)
static struct strip *strip_alloc(void)
{
struct list_head *n;
- unsigned long flags;
struct net_device *dev;
struct strip *strip_info;
@@ -2571,7 +2562,7 @@ static struct strip *strip_alloc(void)
strip_info->idle_timer.function = strip_IdleTask;
- spin_lock_irqsave(&strip_lock, flags);
+ spin_lock_bh(&strip_lock);
rescan:
/*
* Search the list to find where to put our new entry
@@ -2590,7 +2581,7 @@ static struct strip *strip_alloc(void)
sprintf(dev->name, "st%ld", dev->base_addr);
list_add_tail_rcu(&strip_info->list, &strip_list);
- spin_unlock_irqrestore(&strip_lock, flags);
+ spin_unlock_bh(&strip_lock);
return strip_info;
}