[PATCH] um: vector: Fix memory leak in vector_config

From: Miaoqian Lin
Date: Thu Dec 29 2022 - 02:55:06 EST


kstrdup() return newly allocated copy of the string.
Call kfree() to release the memory when after use.

Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
arch/um/drivers/vector_kern.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index ded7c47d2fbe..78f32005dd90 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -765,6 +765,7 @@ static int vector_config(char *str, char **error_out)

parsed = uml_parse_vector_ifspec(params);

+ kfree(params);
if (parsed == NULL) {
*error_out = "vector_config failed to parse parameters";
return -EINVAL;
--
2.25.1