From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 17 Mar 2015 15:38:10 +0000 (+0100)
Subject: rtc: at91rm9200: double locking bug in at91_rtc_interrupt()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=886016835a87757839baced91a7ff09e9636b6b1;p=openwrt%2Fstaging%2Fblogic.git

rtc: at91rm9200: double locking bug in at91_rtc_interrupt()

There is a typo here so we deadlock.

Fixes: dd1f1f391dd7 ('rtc: at91rm9200: rework wakeup and interrupt handling')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: David Dueck <davidcdueck@googlemail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index b4f7744f6751..b283a1a573b3 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -324,7 +324,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
 
 		ret = IRQ_HANDLED;
 	}
-	spin_lock(&suspended_lock);
+	spin_unlock(&suspended_lock);
 
 	return ret;
 }