linux-kernel - [PATCH 1/1] ftrace: remove unnecessary if condition of __unregister_ftrace

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Date:	Fri, 14 Nov 2008 00:21:02 +0800
From:	walimis <walimisdev@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] ftrace: remove unnecessary if condition of __unregister_ftrace_function

against ftrace git tree tip/devel branch:
81388fbbc4b00c3bf37db5e193c80106ce5a2abf

Because it has goto out before ftrace_list == &ftrace_list_end,
that's to say, we never meet this condition.

Signed-off-by: walimis <walimisdev@...il.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 beb21a5..54cb9a7 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -179,8 +179,7 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops)
 
 	if (ftrace_enabled) {
 		/* If we only have one func left, then call that directly */
-		if (ftrace_list == &ftrace_list_end ||
-		    ftrace_list->next == &ftrace_list_end)
+		if (ftrace_list->next == &ftrace_list_end)
 			ftrace_trace_function = ftrace_list->func;
 	}
 
-- 
1.6.0.3

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