[PATCH next v2 1/2] perf tools: fix potential memleak in perf events parser

[Chen Wandun]

From: Cheng Jian <cj.chengj...@huawei.com>

Fix memory leak of in function parse_events_term__sym_hw()
and parse_events_term__clone() when error occur.

Fixes: b6645a723595 ("perf parse: Ensure config and str in terms are unique")
Signed-off-by: Cheng Jian <cj.chengj...@huawei.com>
Signed-off-by: Chen Wandun <chenwan...@huawei.com>
---
 tools/perf/util/parse-events.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 3decbb203846..6f4dc8a92817 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2957,8 +2957,12 @@ int parse_events_term__sym_hw(struct parse_events_term 
**term,
        sym = &event_symbols_hw[idx];
 
        str = strdup(sym->symbol);
-       if (!str)
+       if (!str) {
+               if (!config)
+                       free(temp.config);
                return -ENOMEM;
+       }
+
        return new_term(term, &temp, str, 0);
 }
 
@@ -2983,8 +2987,12 @@ int parse_events_term__clone(struct parse_events_term 
**new,
                return new_term(new, &temp, NULL, term->val.num);
 
        str = strdup(term->val.str);
-       if (!str)
+       if (!str) {
+               if (term->config)
+                       free(temp.config);
                return -ENOMEM;
+       }
+
        return new_term(new, &temp, str, 0);
 }
 
-- 
2.17.1