linux-kernel - [PATCH] perf parse-events: Fix null check

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Message-ID: <tencent_DF39269807EC9425E24787E6DB632441A405@qq.com>
Date:   Fri, 11 Mar 2022 21:06:57 +0800
From:   Weiguo Li <liwg06@...mail.com>
To:     john.garry@...wei.com, peterz@...radead.org, mingo@...hat.com,
        acme@...nel.org
Cc:     mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        jolsa@...nel.org, namhyung@...nel.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] perf parse-events: Fix null check

We did a null check after "tmp->symbol = strdup(...)", but we checked
"list->symbol" other than "tmp->symbol".

Signed-off-by: Weiguo Li <liwg06@...mail.com>
---
 tools/perf/util/parse-events.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 9739b05b999e..dfb50a5f83d0 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2193,7 +2193,7 @@ int perf_pmu__test_parse_init(void)
 	for (i = 0; i < ARRAY_SIZE(symbols); i++, tmp++) {
 		tmp->type = symbols[i].type;
 		tmp->symbol = strdup(symbols[i].symbol);
-		if (!list->symbol)
+		if (!tmp->symbol)
 			goto err_free;
 	}
 
-- 
2.25.1