netdev - [PATCH] m_action: Fix descriptor leak in get_action

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Date: Thu,  8 Feb 2024 00:16:32 +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_action: Fix descriptor leak in get_action_kind()

Found by RASU JSC

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

diff --git a/tc/m_action.c b/tc/m_action.c
index 16474c56..7d18f7fa 100644
--- a/tc/m_action.c
+++ b/tc/m_action.c
@@ -111,6 +111,9 @@ restart_s:
 
 	snprintf(buf, sizeof(buf), "%s_action_util", str);
 	a = dlsym(dlh, buf);
+	if (dlh != NULL)
+		dlclose(dlh);
+
 	if (a == NULL)
 		goto noexist;
 
-- 
2.30.2