linux-kernel - [tip:tracing/core] blktrace: pdu_buf of pc events should be unsigned

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Date:	Mon, 11 May 2009 10:27:30 GMT
From:	tip-bot for Li Zefan <lizf@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, hpa@...or.com,
	mingo@...hat.com, lizf@...fujitsu.com, jens.axboe@...cle.com,
	fweisbec@...il.com, rostedt@...dmis.org, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:tracing/core] blktrace: pdu_buf of pc events should be unsigned

Commit-ID:  049862579333cc6cd9e6edfd6987cd0addfd8c59
Gitweb:     http://git.kernel.org/tip/049862579333cc6cd9e6edfd6987cd0addfd8c59
Author:     Li Zefan <lizf@...fujitsu.com>
AuthorDate: Mon, 11 May 2009 14:33:23 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 11 May 2009 12:25:50 +0200

blktrace: pdu_buf of pc events should be unsigned

I got this:
  8,0    1   305.417782332  2037  I   R 32 (ffffff9e 10 00 ...) [bash]

It should be:
  8,0    1   305.417782332  2037  I   R 32 (9e 10 00 ...) [bash]

[ Impact: fix output of pc events ]

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
Cc: Jens Axboe <jens.axboe@...cle.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
LKML-Reference: <4A07C6B3.9080802@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


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

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index e099f8c..05b4747 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1065,7 +1065,7 @@ static int blk_log_action(struct trace_iterator *iter, const char *act)
 
 static int blk_log_dump_pdu(struct trace_seq *s, const struct trace_entry *ent)
 {
-	const char *pdu_buf;
+	const unsigned char *pdu_buf;
 	int pdu_len;
 	int i, end, ret;
 
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