From: Adrian Hunter <adrian.hunter@intel.com>
Date: Fri, 26 May 2017 08:17:02 +0000 (+0300)
Subject: perf intel-pt: Move decoder error setting into one condition
X-Git-Tag: C0P2-H0.0--20200415~8120
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=d3503ef1a6147be68f6208af01a9f81b11cc4877;p=linux.git

perf intel-pt: Move decoder error setting into one condition

commit 22c06892332d8916115525145b78e606e9cc6492 upstream.

Move decoder error setting into one condition.

Cc'ed to stable because later fixes depend on it.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 04387ab31316..9612870a927e 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -2128,15 +2128,18 @@ const struct intel_pt_state *intel_pt_decode(struct intel_pt_decoder *decoder)
 		}
 	} while (err == -ENOLINK);
 
-	decoder->state.err = err ? intel_pt_ext_err(err) : 0;
+	if (err) {
+		decoder->state.err = intel_pt_ext_err(err);
+		decoder->state.from_ip = decoder->ip;
+	} else {
+		decoder->state.err = 0;
+	}
+
 	decoder->state.timestamp = decoder->timestamp;
 	decoder->state.est_timestamp = intel_pt_est_timestamp(decoder);
 	decoder->state.cr3 = decoder->cr3;
 	decoder->state.tot_insn_cnt = decoder->tot_insn_cnt;
 
-	if (err)
-		decoder->state.from_ip = decoder->ip;
-
 	return &decoder->state;
 }