linux-kernel - [PATCH] PM / OPP: Use ERR

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Date:	Tue, 08 Nov 2011 19:57:12 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] PM / OPP: Use ERR_CAST inlined function

From: Thomas Meyer <thomas@...3r.de>

 Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

 The semantic patch that makes this change is available
 in scripts/coccinelle/api/err_cast.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/base/power/opp.c b/drivers/base/power/opp.c
--- a/drivers/base/power/opp.c 2011-11-07 19:37:43.009876832 +0100
+++ b/drivers/base/power/opp.c 2011-11-08 09:55:51.808539048 +0100
@@ -669,7 +669,7 @@ struct srcu_notifier_head *opp_get_notif
 	struct device_opp *dev_opp = find_device_opp(dev);
 
 	if (IS_ERR(dev_opp))
-		return ERR_PTR(PTR_ERR(dev_opp)); /* matching type */
+		return ERR_CAST(dev_opp); /* matching type */
 
 	return &dev_opp->head;
 }


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