linux-kernel - [PATCH 2/2] ftrace: Make if condition correctly due to the operator order

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Date:	Sun, 26 Jul 2015 23:55:52 +0800
From:	Minfei Huang <mnfhuang@...il.com>
To:	rostedt@...dmis.org, mingo@...hat.com
Cc:	linux-kernel@...r.kernel.org, mhuang@...hat.com,
	Minfei Huang <mnfhuang@...il.com>
Subject: [PATCH 2/2] ftrace: Make if condition correctly due to the operator order

The if condition will be always true, since the operator & has the high
priority than operator ||.

Use () to quote them to make the if condition correctly.

Signed-off-by: Minfei Huang <mnfhuang@...il.com>
---
 kernel/trace/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index c04dff9..d9acc6a 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -254,7 +254,7 @@ static ftrace_func_t ftrace_ops_get_list_func(struct ftrace_ops *ops)
 	 * If this is a dynamic ops or we force list func,
 	 * then it needs to call the list anyway.
 	 */
-	if (ops->flags & FTRACE_OPS_FL_DYNAMIC || FTRACE_FORCE_LIST_FUNC)
+	if (ops->flags & (FTRACE_OPS_FL_DYNAMIC || FTRACE_FORCE_LIST_FUNC))
 		return ftrace_ops_list_func;
 
 	return ftrace_ops_get_func(ops);
-- 
2.4.0

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