perf intel-pt: Fix missing stack clear
authorAdrian Hunter <adrian.hunter@intel.com>
Fri, 26 May 2017 08:17:04 +0000 (11:17 +0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 21 Jun 2017 14:35:44 +0000 (11:35 -0300)
The return compression stack must be cleared whenever there is a PSB. Fix
one case where that was not happening.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1495786658-18063-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/intel-pt-decoder/intel-pt-decoder.c

index d5c69e8222829c5dcd173a2f4c28ddabbd265247..28b16c3acddeebae8a9602e3361db61200bad619 100644 (file)
@@ -1932,6 +1932,7 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder)
                        break;
 
                case INTEL_PT_PSB:
+                       intel_pt_clear_stack(&decoder->stack);
                        err = intel_pt_walk_psb(decoder);
                        if (err)
                                return err;