[PATCH v2] um: vector: Fix memory leak in vector_config

[Anton Ivanov]

On 04/01/2023 08:14, Miaoqian Lin wrote:
> kstrdup() return newly allocated copy of the string.
> Call kfree() to release the memory when uml_parse_vector_ifspec() fails.
> 
> Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver")
> Signed-off-by: Miaoqian Lin <linmq006 at gmail.com>
> ---
> changes in v2:
> - only call kfree() when uml_parse_vector_ifspec() fails.
> ---
>   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..131b7cb29576 100644
> --- a/arch/um/drivers/vector_kern.c
> +++ b/arch/um/drivers/vector_kern.c
> @@ -767,6 +767,7 @@ static int vector_config(char *str, char **error_out)
>   
>   	if (parsed == NULL) {
>   		*error_out = "vector_config failed to parse parameters";
> +		kfree(params);
>   		return -EINVAL;
>   	}
>   

Acked-By: Anton Ivanov <anton.ivanov at cambridgegreys.com>

-- 
Anton R. Ivanov
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