From: Sai Charan Gurrappadi <sgurrappadi@nvidia.com>
Date: Thu, 14 Jun 2012 21:17:14 +0000 (-0700)
Subject: cpuquiet: Update stats only on successful operations
X-Git-Tag: firefly_0821_release~4158^2~48
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=eed1adba235d12817d926ddfe2b03cbb3ed883e8;p=firefly-linux-kernel-4.4.55.git

cpuquiet: Update stats only on successful operations

Change-Id: I0584fba7458b3a860f9ab3751a8eb5f0345864ad
Signed-off-by: Sai Charan Gurrappadi <sgurrappadi@nvidia.com>
Reviewed-on: http://git-master/r/111285
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>

Rebase-Id: R8fb05f5e99be6262ec28d7e733904c450f3985f6
---

diff --git a/drivers/cpuquiet/driver.c b/drivers/cpuquiet/driver.c
index f9dcdf018f58..d9dbea76994a 100644
--- a/drivers/cpuquiet/driver.c
+++ b/drivers/cpuquiet/driver.c
@@ -78,7 +78,8 @@ int cpuquiet_quiesence_cpu(unsigned int cpunumber)
 	if (cpuquiet_curr_driver && cpuquiet_curr_driver->quiesence_cpu)
 		err = cpuquiet_curr_driver->quiesence_cpu(cpunumber);
 
-	stats_update(stats + cpunumber, 0);
+	if (!err)
+		stats_update(stats + cpunumber, 0);
 
 	return err;
 }
@@ -91,7 +92,8 @@ int cpuquiet_wake_cpu(unsigned int cpunumber)
 	if (cpuquiet_curr_driver && cpuquiet_curr_driver->wake_cpu)
 		err = cpuquiet_curr_driver->wake_cpu(cpunumber);
 
-	stats_update(stats + cpunumber, 1);
+	if (!err)
+		stats_update(stats + cpunumber, 1);
 
 	return err;
 }