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tracing/core: fix early free of cpumasks

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Impact: fix crashes when 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@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1237164303-11476-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Frederic Weisbecker 2009-03-16 01:45:03 +01:00 committed by Ingo Molnar
parent ac1d52d0b8
commit 2fc1dfbe17
1 changed files with 2 additions and 1 deletions
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3
kernel/trace/trace.c
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@ -4125,7 +4125,8 @@ __init static int tracer_alloc_buffers(void)
&trace_panic_notifier); &trace_panic_notifier);
register_die_notifier(&trace_die_notifier); register_die_notifier(&trace_die_notifier);
ret = 0;
return 0;
out_free_cpumask: out_free_cpumask:
free_cpumask_var(tracing_reader_cpumask); free_cpumask_var(tracing_reader_cpumask);