From e9f2762409e2795c1e418ed196a7f27df46cf1e7 Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <der.herr@hofr.at>
Date: Fri, 29 Nov 2013 00:17:27 -0500
Subject: migrate_disable pushd down in rt_spin_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/rtmutex.c b/kernel/rtmutex.c
index f6b6ebb..ef42b8a 100644
--- a/kernel/rtmutex.c
+++ b/kernel/rtmutex.c
@@ -920,12 +920,11 @@ int __lockfunc rt_spin_trylock_irqsave(spinlock_t *lock, unsigned long *flags)
 	int ret;
 
 	*flags = 0;
-	migrate_disable();
 	ret = rt_mutex_trylock(&lock->lock);
-	if (ret)
+	if (ret) {
+		migrate_disable();
 		spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
-	else
-		migrate_enable();
+	}
 	return ret;
 }
 EXPORT_SYMBOL(rt_spin_trylock_irqsave);
-- 
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