netdev - [PATCH] genl: Fix descriptor leak in get_genl

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Date: Wed,  7 Feb 2024 23:08:23 +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] genl: Fix descriptor leak in get_genl_kind()

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

diff --git a/genl/genl.c b/genl/genl.c
index 85cc73bb..74100dad 100644
--- a/genl/genl.c
+++ b/genl/genl.c
@@ -71,6 +71,9 @@ static struct genl_util *get_genl_kind(const char *str)
 	snprintf(buf, sizeof(buf), "%s_genl_util", str);
 
 	f = dlsym(dlh, buf);
+	if (dlh != NULL)
+		dlclose(dlh);
+
 	if (f == NULL)
 		goto noexist;
 reg:
-- 
2.30.2