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Message-Id: <1279586810-29859-3-git-send-email-ddaney@caviumnetworks.com>
Date:	Mon, 19 Jul 2010 17:46:50 -0700
From:	David Daney <ddaney@...iumnetworks.com>
To:	rostedt@...dmis.org
Cc:	linux-kernel@...r.kernel.org,
	David Daney <ddaney@...iumnetworks.com>
Subject: [PATCH 2/2] trace-cmd: Don't SIGSEGV in trace-graph.c:load_handle

This 'fixes' another crash I encountered.  Don't try to dereference
NULL records.

Signed-off-by: David Daney <ddaney@...iumnetworks.com>
---
 trace-graph.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/trace-graph.c b/trace-graph.c
index f940874..a53ab84 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -2413,6 +2413,8 @@ static int load_handle(struct graph_info *ginfo,
 
 		free_record(record);
 		record = tracecmd_read_cpu_last(handle, cpu);
+		if (!record)
+			continue;
 
 		if (record->ts > ginfo->end_time)
 			ginfo->end_time = record->ts;
-- 
1.7.1.1

--
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