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-rw-r--r--tools/perf/util/callchain.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 81fc29ac798f..b4204b43ed58 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -621,14 +621,19 @@ enum match_result {
static enum match_result match_chain_srcline(struct callchain_cursor_node *node,
struct callchain_list *cnode)
{
- char *left = get_srcline(cnode->ms.map->dso,
+ char *left = NULL;
+ char *right = NULL;
+ enum match_result ret = MATCH_EQ;
+ int cmp;
+
+ if (cnode->ms.map)
+ left = get_srcline(cnode->ms.map->dso,
map__rip_2objdump(cnode->ms.map, cnode->ip),
cnode->ms.sym, true, false);
- char *right = get_srcline(node->map->dso,
+ if (node->map)
+ right = get_srcline(node->map->dso,
map__rip_2objdump(node->map, node->ip),
node->sym, true, false);
- enum match_result ret = MATCH_EQ;
- int cmp;
if (left && right)
cmp = strcmp(left, right);