summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/hostap/hostap_hw.c
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2010-08-04 15:14:38 +0200
committerJiri Kosina <jkosina@suse.cz>2010-08-04 15:14:38 +0200
commitd790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch)
tree854ab394486288d40fa8179cbfaf66e8bdc44b0f /drivers/net/wireless/hostap/hostap_hw.c
parent73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff)
parent3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff)
Merge branch 'master' into for-next
Diffstat (limited to 'drivers/net/wireless/hostap/hostap_hw.c')
-rw-r--r--drivers/net/wireless/hostap/hostap_hw.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 30c2976b3624..e9d9d622a9b0 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -2621,6 +2621,18 @@ static irqreturn_t prism2_interrupt(int irq, void *dev_id)
iface = netdev_priv(dev);
local = iface->local;
+ /* Detect early interrupt before driver is fully configued */
+ spin_lock(&local->irq_init_lock);
+ if (!dev->base_addr) {
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: Interrupt, but dev not configured\n",
+ dev->name);
+ }
+ spin_unlock(&local->irq_init_lock);
+ return IRQ_HANDLED;
+ }
+ spin_unlock(&local->irq_init_lock);
+
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 0);
if (local->func->card_present && !local->func->card_present(local)) {
@@ -3138,6 +3150,7 @@ prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx,
spin_lock_init(&local->cmdlock);
spin_lock_init(&local->baplock);
spin_lock_init(&local->lock);
+ spin_lock_init(&local->irq_init_lock);
mutex_init(&local->rid_bap_mtx);
if (card_idx < 0 || card_idx >= MAX_PARM_DEVICES)