ACPI: EC: count interrupts only if called from interrupt handler.

fix 2.6.28 EC interrupt storm regression

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index cf41f9fc24a7..30f3ef236ecb 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -219,7 +219,8 @@ static void gpe_transaction(struct acpi_ec *ec, u8 status)
         goto unlock;
 err:
         /* false interrupt, state didn't change */
-        ++ec->curr->irq_count;
+        if (in_interrupt())
+                ++ec->curr->irq_count;
 unlock:
         spin_unlock_irqrestore(&ec->curr_lock, flags);
 }