It makes no sense to enable interrupts if a device has been unplugged.
In addition if in doubt IRQ_HANDLED should be returned.
Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
Regards
Oliver
----
--- linux-2.6.24-rc1/drivers/net/wireless/iwlwifi/iwl3945-base.c.alt
2007-11-13 12:23:07.000000000 +0100
+++ linux-2.6.24-rc1/drivers/net/wireless/iwlwifi/iwl3945-base.c
2007-11-13 12:26:00.000000000 +0100
@@ -4850,7 +4850,7 @@ static irqreturn_t iwl_isr(int irq, void
if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
/* Hardware disappeared */
IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta);
- goto none;
+ goto unplugged;
}
IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
@@ -4858,6 +4858,7 @@ static irqreturn_t iwl_isr(int irq, void
/* iwl_irq_tasklet() will service interrupts and re-enable them */
tasklet_schedule(&priv->irq_tasklet);
+unplugged:
spin_unlock(&priv->lock);
return IRQ_HANDLED;
-
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