From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Thu, 16 Jul 2009 06:17:11 +0000 (+0800)
Subject: tracing/trace_stack: Cleanup for trace_lookup_stack()
X-Git-Tag: v2.6.33-rc1~48^2~436
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=79173bf556417a737e9d2e096e0788452ec30a61;p=platform%2Fkernel%2Flinux-3.10.git

tracing/trace_stack: Cleanup for trace_lookup_stack()

We can directly use %pF input format instead of sprint_symbol()
and %s input format.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---

diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index e644af9..a4dc8d9 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -234,15 +234,8 @@ static void t_stop(struct seq_file *m, void *p)
 static int trace_lookup_stack(struct seq_file *m, long i)
 {
 	unsigned long addr = stack_dump_trace[i];
-#ifdef CONFIG_KALLSYMS
-	char str[KSYM_SYMBOL_LEN];
 
-	sprint_symbol(str, addr);
-
-	return seq_printf(m, "%s\n", str);
-#else
-	return seq_printf(m, "%p\n", (void*)addr);
-#endif
+	return seq_printf(m, "%pF\n", (void *)addr);
 }
 
 static void print_disabled(struct seq_file *m)