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

[Miaoqian Lin]

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 at gmail.com>
---
 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