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SubjectRe: [PATCH 3/3] uml: os-Linux/main.c memory leak fix
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Am Donnerstag 07 Juli 2011, 18:37:48 schrieb Vitaliy Ivanov:
> >From 6db3c87f57e3e61d968da79f01fb21ba17fd5bc0 Mon Sep 17 00:00:00 2001
>
> From: Vitaliy Ivanov <vitalivanov@gmail.com>
> Date: Thu, 7 Jul 2011 19:29:06 +0300
> Subject: [PATCH 3/3] uml: os-Linux/main.c memory leak fix
>
> We should cleanup memory even though 'putenv' fails.
>
> Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
> ---
> arch/um/os-Linux/main.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
> index fb2a97a..67fe012 100644
> --- a/arch/um/os-Linux/main.c
> +++ b/arch/um/os-Linux/main.c
> @@ -107,8 +107,8 @@ static void setup_env_path(void)
> snprintf(new_path, path_len, "PATH=%s" UML_LIB_PATH, old_path);
> if (putenv(new_path)) {
> perror("couldn't putenv to set a new PATH");
> - free(new_path);
> }
> + free(new_path);

Uhhh, this will kill the PATH variable.
putenv() does not copy the string...

Thanks,
//richard


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