From e9030f36bc2672216cc333e940696627451aba19 Mon Sep 17 00:00:00 2001
From: GangCao <gang.cao@intel.com>
Date: Tue, 12 Oct 2021 10:37:58 -0400
Subject: [PATCH] trace: add an assert for the valid history

Change-Id: I4dd97351354af8ccdd0684afda06e6f2e8889839
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9828
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
---
 lib/trace_parser/trace.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/trace_parser/trace.cpp b/lib/trace_parser/trace.cpp
index 49098d50a9..18abdab30c 100644
--- a/lib/trace_parser/trace.cpp
+++ b/lib/trace_parser/trace.cpp
@@ -342,6 +342,7 @@ spdk_trace_parser::init(const spdk_trace_parser_opts *opts)
 	if (opts->lcore == SPDK_TRACE_MAX_LCORE) {
 		for (i = 0; i < SPDK_TRACE_MAX_LCORE; i++) {
 			history = spdk_get_per_lcore_history(_histories, i);
+			assert(history);
 			if (history->num_entries == 0 || history->entries[0].tsc == 0) {
 				continue;
 			}
@@ -350,6 +351,7 @@ spdk_trace_parser::init(const spdk_trace_parser_opts *opts)
 		}
 	} else {
 		history = spdk_get_per_lcore_history(_histories, opts->lcore);
+		assert(history);
 		if (history->num_entries > 0 && history->entries[0].tsc != 0) {
 			populate_events(history, history->num_entries);
 		}