From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 25 Aug 2008 06:12:04 +0000 (+0200)
Subject: ftrace: clean up macro usage
X-Git-Tag: firefly_0821_release~17186^2~92
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ac8825ec6d941b6899331b84c7d6bf027c3bb4f1;p=firefly-linux-kernel-4.4.55.git

ftrace: clean up macro usage

enclose the argument in parenthesis. (especially since we cast it,
which is a high prio operation)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 7599abdf6d4d..969a83f75a3e 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -165,7 +165,7 @@ static DEFINE_SPINLOCK(ftrace_hash_lock);
 #define ftrace_hash_unlock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags)
 #else
 /* This is protected via the ftrace_lock with MCOUNT_RECORD. */
-#define ftrace_hash_lock(flags)   do { (void)flags; } while (0)
+#define ftrace_hash_lock(flags)   do { (void)(flags); } while (0)
 #define ftrace_hash_unlock(flags) do { } while(0)
 #endif