From 805d5a3b8703a518c76fd7a6b14a46af251de054 Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <der.herr@hofr.at>
Date: Fri, 29 Nov 2013 00:21:59 -0500
Subject: migrate_disable pushd down in rt_write_trylock_irqsave

Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

diff --git a/kernel/rt.c b/kernel/rt.c
index ff56d3c..d58b410 100644
--- a/kernel/rt.c
+++ b/kernel/rt.c
@@ -196,10 +196,9 @@ int __lockfunc rt_write_trylock_irqsave(rwlock_t *rwlock, unsigned long *flags)
 	int ret;
 
 	*flags = 0;
-	migrate_disable();
 	ret = rt_write_trylock(rwlock);
-	if (!ret)
-		migrate_enable();
+	if (ret)
+		migrate_disable();
 	return ret;
 }
 EXPORT_SYMBOL(rt_write_trylock_irqsave);
-- 
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