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Message-Id: <1237164303-11476-1-git-send-email-fweisbec@gmail.com>
Date: Mon, 16 Mar 2009 01:45:03 +0100
From: Frederic Weisbecker <fweisbec@...il.com>
To: Ingo Molnar <mingo@...e.hu>
Cc: Frederic Weisbecker <fweisbec@...il.com>,
LKML <linux-kernel@...r.kernel.org>,
Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH] tracing/core: fix early free of cpumasks
Impact: fix weird bugs with tracing cpumasks
While ring-buffer allocation, the cpumasks are allocated too, including
the tracing cpumask and the per-cpu file mask handler.
But these cpumasks are freed accidentally just after.
Fix it.
Reported-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
kernel/trace/trace.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c0cf946..ae32d3b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4125,7 +4125,8 @@ __init static int tracer_alloc_buffers(void)
&trace_panic_notifier);
register_die_notifier(&trace_die_notifier);
- ret = 0;
+
+ return 0;
out_free_cpumask:
free_cpumask_var(tracing_reader_cpumask);
--
1.6.1
--
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