netdev - [PATCH] m_pedit: Fix descriptor leak in get_pedit

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Message-Id: <20240207214224.19088-1-maks.mishinFZ@gmail.com>
Date: Thu,  8 Feb 2024 00:42:24 +0300
From: Maks Mishin <maks.mishinfz@...il.com>
To: Stephen Hemminger <stephen@...workplumber.org>
Cc: Maks Mishin <maks.mishinFZ@...il.com>,
	netdev@...r.kernel.org
Subject: [PATCH] m_pedit: Fix descriptor leak in get_pedit_kind()

Found by RASU JSC

Signed-off-by: Maks Mishin <maks.mishinFZ@...il.com>
---
 tc/m_pedit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tc/m_pedit.c b/tc/m_pedit.c
index 32f03415..b5965250 100644
--- a/tc/m_pedit.c
+++ b/tc/m_pedit.c
@@ -95,6 +95,9 @@ static struct m_pedit_util *get_pedit_kind(const char *str)
 
 	snprintf(buf, sizeof(buf), "p_pedit_%s", str);
 	p = dlsym(dlh, buf);
+	if (dlh != NULL)
+		dlclose(dlh);
+
 	if (p == NULL)
 		goto noexist;
 
-- 
2.30.2