linux-kernel - [tip:tracing/core] tracing: fix check for return value of register_module

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Message-ID: <tip-24ed0c4bfc7d2d7507bb9d50f7f3bbdcd85d76dd@git.kernel.org>
Date:	Mon, 18 May 2009 09:06:34 GMT
From:	tip-bot for Ming Lei <tom.leiming@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	fweisbec@...il.com, lizf@...fujitsu.com, tglx@...utronix.de,
	tom.leiming@...il.com, mingo@...e.hu
Subject: [tip:tracing/core] tracing: fix check for return value of register_module_notifier

Commit-ID:  24ed0c4bfc7d2d7507bb9d50f7f3bbdcd85d76dd
Gitweb:     http://git.kernel.org/tip/24ed0c4bfc7d2d7507bb9d50f7f3bbdcd85d76dd
Author:     Ming Lei <tom.leiming@...il.com>
AuthorDate: Sun, 17 May 2009 15:31:38 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 18 May 2009 10:24:13 +0200

tracing: fix check for return value of register_module_notifier

return zero should be correct, so fix it.

[ Impact: eliminate incorrect syslog message ]

Signed-off-by: Ming Lei <tom.leiming@...il.com>
Acked-by: Frederic Weisbecker <fweisbec@...il.com>
Acked-by: Li Zefan <lizf@...fujitsu.com>
Cc: rostedt@...dmis.org
LKML-Reference: <1242545498-7285-1-git-send-email-tom.leiming@...il.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/trace/ftrace.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 5b606f4..140699a 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2826,7 +2826,7 @@ void __init ftrace_init(void)
 				  __stop_mcount_loc);
 
 	ret = register_module_notifier(&ftrace_module_nb);
-	if (!ret)
+	if (ret)
 		pr_warning("Failed to register trace ftrace module notifier\n");
 
 	return;
--
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