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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-03-18 23:38:50 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-03-18 23:38:50 -0700
commit97eb3f24352ec6632c2127b35d8087d2a809a9b9 (patch)
tree722948059bbd325bbca232269490124231df80d4 /drivers/net/wireless/hostap/hostap_cs.c
parent439581ec07fa9cf3f519dd461a2cf41cfd3adcb4 (diff)
parentdef179c271ac9b5020deca798470521f14d11edd (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/net/wireless/hostap/hostap_cs.c')
-rw-r--r--drivers/net/wireless/hostap/hostap_cs.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c
index bd8a4134ede..2176edede39 100644
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -518,22 +518,21 @@ static int prism2_config(struct pcmcia_device *link)
hw_priv->link = link;
/*
- * Make sure the IRQ handler cannot proceed until at least
- * dev->base_addr is initialized.
+ * We enable IRQ here, but IRQ handler will not proceed
+ * until dev->base_addr is set below. This protect us from
+ * receive interrupts when driver is not initialized.
*/
- spin_lock_irqsave(&local->irq_init_lock, flags);
-
ret = pcmcia_request_irq(link, prism2_interrupt);
if (ret)
- goto failed_unlock;
+ goto failed;
ret = pcmcia_enable_device(link);
if (ret)
- goto failed_unlock;
+ goto failed;
+ spin_lock_irqsave(&local->irq_init_lock, flags);
dev->irq = link->irq;
dev->base_addr = link->resource[0]->start;
-
spin_unlock_irqrestore(&local->irq_init_lock, flags);
local->shutdown = 0;
@@ -546,8 +545,6 @@ static int prism2_config(struct pcmcia_device *link)
return ret;
- failed_unlock:
- spin_unlock_irqrestore(&local->irq_init_lock, flags);
failed:
kfree(hw_priv);
prism2_release((u_long)link);