netdev - [PATCH] m_ematch: Fix descriptor leak in get_ematch

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Message-Id: <20240207214232.19204-1-maks.mishinFZ@gmail.com>
Date: Thu,  8 Feb 2024 00:42:32 +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_ematch: Fix descriptor leak in get_ematch_kind()

Found by RASU JSC

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

diff --git a/tc/m_ematch.c b/tc/m_ematch.c
index fefc7860..eef6b05d 100644
--- a/tc/m_ematch.c
+++ b/tc/m_ematch.c
@@ -149,6 +149,9 @@ static struct ematch_util *get_ematch_kind(char *kind)
 
 	snprintf(buf, sizeof(buf), "%s_ematch_util", kind);
 	e = dlsym(dlh, buf);
+	if (dlh != NULL)
+		dlclose(dlh);
+
 	if (e == NULL)
 		return NULL;
 
-- 
2.30.2