linux-kernel - [PATCH] PM / OPP: fix incorrect OPP count handling in of_init_opp

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Date:	Fri, 16 May 2014 16:21:17 +0530
From:	Chander Kashyap <chander.kashyap@...aro.org>
To:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	nm@...com, rjw@...ysocki.net, pavel@....cz, len.brown@...el.com,
	gregkh@...uxfoundation.org, viresh.kumar@...aro.org,
	Chander Kashyap <chander.kashyap@...aro.org>,
	Chander Kashyap <k.chander@...sung.com>,
	Inderpal Singh <inderpal.s@...sung.com>
Subject: [PATCH] PM / OPP: fix incorrect OPP count handling in of_init_opp_table

In of_init_opp_table function, if a failure to add an OPP is
detected, the count of OPPs, yet to be added is not updated.
Fix this by decrementing this count on failure as well.

Signed-off-by: Chander Kashyap <k.chander@...sung.com>
Signed-off-by: Inderpal Singh <inderpal.s@...sung.com>
---
 drivers/base/power/opp.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index d9e376a..faae9cf 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -643,11 +643,9 @@ int of_init_opp_table(struct device *dev)
 		unsigned long freq = be32_to_cpup(val++) * 1000;
 		unsigned long volt = be32_to_cpup(val++);
 
-		if (dev_pm_opp_add(dev, freq, volt)) {
+		if (dev_pm_opp_add(dev, freq, volt))
 			dev_warn(dev, "%s: Failed to add OPP %ld\n",
 				 __func__, freq);
-			continue;
-		}
 		nr -= 2;
 	}
 
-- 
1.7.9.5

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