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[PATCH 1/1] perf tools: avoid null pointer dereference

From Heinrich Schuchardt <xypron.glpk@gmx.de>
Newsgroups linux.kernel
Subject [PATCH 1/1] perf tools: avoid null pointer dereference
Date 2016-06-11 17:50 +0200
Message-ID <rITkC-4S0-25@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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If ttrace is NULL we should not dereference it.
Strangely enough this is done for one component and not for the other.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 tools/perf/builtin-trace.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 5c50fe7..de18d2d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -862,10 +862,10 @@ static struct thread_trace *thread_trace__new(void)
 {
 	struct thread_trace *ttrace =  zalloc(sizeof(struct thread_trace));
 
-	if (ttrace)
+	if (ttrace) {
 		ttrace->paths.max = -1;
-
-	ttrace->syscall_stats = intlist__new(NULL);
+		ttrace->syscall_stats = intlist__new(NULL);
+	}
 
 	return ttrace;
 }
-- 
2.1.4

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[PATCH 1/1] perf tools: avoid null pointer dereference Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-06-11 17:50 +0200

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