Messages in this thread Patch in this message | | | Date | Mon, 16 Mar 2009 08:19:33 GMT | From | Frederic Weisbecker <> | Subject | [tip:tracing/syscalls] tracing/core: fix early free of cpumasks |
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Commit-ID: 2fc1dfbe17e7705c55b7a99da995fa565e26f151 Gitweb: http://git.kernel.org/tip/2fc1dfbe17e7705c55b7a99da995fa565e26f151 Author: Frederic Weisbecker <fweisbec@gmail.com> AuthorDate: Mon, 16 Mar 2009 01:45:03 +0100 Commit: Ingo Molnar <mingo@elte.hu> CommitDate: Mon, 16 Mar 2009 09:13:18 +0100
tracing/core: fix early free of cpumasks
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>
--- 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);
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