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Message-Id: <1393785773-24355-1-git-send-email-wr0112358@gmail.com>
Date:	Sun,  2 Mar 2014 19:42:53 +0100
From:	Reiter Wolfgang <wr0112358@...il.com>
To:	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org, Reiter Wolfgang <wr0112358@...il.com>
Subject: [PATCH 1/1] sched/deadline: Fix regression in cpudl_find.

When using CONFIG_FTRACE_SELFTEST=y and CONFIG_FTRACE_STARTUP_TEST=y
best_cpu is -1 and passed to function cpumask_check which takes
unsigned int.
Fix order of test arguments to avoid oops.
Regression was introduced in commit 82b95800b256205cff2eeab5bbd03430d2d0f20d.

Signed-off-by: Reiter Wolfgang <wr0112358@...il.com>
---
 kernel/sched/cpudeadline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c
index 5b8838b..a8571e0 100644
--- a/kernel/sched/cpudeadline.c
+++ b/kernel/sched/cpudeadline.c
@@ -117,7 +117,7 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p,
 	}
 
 out:
-	WARN_ON(!cpu_present(best_cpu) && best_cpu != -1);
+	WARN_ON(best_cpu != -1 && !cpu_present(best_cpu));
 
 	return best_cpu;
 }
-- 
1.8.5.3

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