linux-kernel - [PATCH 3/9] ftrace: Fix shutdown to disable calls properly

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Message-Id: <1322417074-5834-4-git-send-email-jolsa@redhat.com>
Date:	Sun, 27 Nov 2011 19:04:28 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	rostedt@...dmis.org, fweisbec@...il.com, mingo@...hat.com,
	paulus@...ba.org, acme@...stprotocols.net
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH 3/9] ftrace: Fix shutdown to disable calls properly

Each ftrace_startup call increases the call record's flag,
so we need allways to decrease it when shutting down the
ftrace_ops.

Signed-off-by: Jiri Olsa <jolsa@...hat.com>
---
 kernel/trace/ftrace.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index c6d0293..0ca0c0d 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1744,8 +1744,7 @@ static void ftrace_shutdown(struct ftrace_ops *ops, int command)
 	if (ops != &global_ops || !global_start_up)
 		ops->flags &= ~FTRACE_OPS_FL_ENABLED;
 
-	if (!ftrace_start_up)
-		command |= FTRACE_DISABLE_CALLS;
+	command |= FTRACE_DISABLE_CALLS;
 
 	if (saved_ftrace_func != ftrace_trace_function) {
 		saved_ftrace_func = ftrace_trace_function;
-- 
1.7.1

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