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@gmail.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: rostedt@goodmis.org
LKML-Reference: <1242545498-7285-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 5b606f4..140699a 100644 (file)
--- 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;