[GIT PULL] perf fix

From: Ingo Molnar
Date: Sat Apr 23 2016 - 07:24:23 EST


Linus,

Please pull the latest perf-urgent-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-for-linus

# HEAD: a19cad6d66823ddd54b0e7c88d7bddd307cb1161 Merge tag 'perf-urgent-for-mingo-20160418' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

A single tooling fix for a user-triggerable segfault.

Thanks,

Ingo

------------------>
Adrian Hunter (1):
perf intel-pt: Fix segfault tracing transactions


tools/perf/util/intel-pt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 407f11b97c8d..617578440989 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1130,7 +1130,7 @@ static int intel_pt_synth_transaction_sample(struct intel_pt_queue *ptq)
pr_err("Intel Processor Trace: failed to deliver transaction event, error %d\n",
ret);

- if (pt->synth_opts.callchain)
+ if (pt->synth_opts.last_branch)
intel_pt_reset_last_branch_rb(ptq);

return ret;