From 3dc89329ea055bdbbaacb790724791a8aea1f608 Mon Sep 17 00:00:00 2001
From: Nick Desaulniers <ndesaulniers@google.com>
Date: Fri, 3 Mar 2017 15:40:12 -0800
Subject: [PATCH] tracing: do not leak kernel addresses

This l(CR) breaks tracing tools l(CR) trace-cmd.  It logs in the same
format but now addresses are all 0x0.

Bug: 34277115
MOT-CRs-fixed: (CR)

Change-Id: Ifb0d4d2a184bf0d95726de05b1acee0287a375d9
Reviewed-on: https://gerrit.mot.com/1887836
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Wang Wang <wangwang1@lenovo.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
Reviewed-on: https://gerrit.mot.com/1892775
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
---
 kernel/trace/trace_printk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index d4e31e969206..b8014b361a1a 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -306,7 +306,7 @@ static int t_show(struct seq_file *m, void *v)
 	if (!*fmt)
 		return 0;
 
-	seq_printf(m, "0x%lx : \"", *(unsigned long *)fmt);
+	seq_printf(m, "0x%lx : \"", 0L);
 
 	/*
 	 * Tabs and new lines need to be converted.