Re: [PATCH] um: fix returns without va_end

From: Richard Weinberger
Date: Tue Dec 08 2015 - 16:32:45 EST


On Tue, Dec 1, 2015 at 9:18 PM, Geyslan G. Bem <geyslan@xxxxxxxxx> wrote:
> When using va_list ensure that va_start will be followed by va_end.
>
> Signed-off-by: Geyslan G. Bem <geyslan@xxxxxxxxx>
> ---
> arch/um/drivers/net_user.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
> index e697a41..e9f8445 100644
> --- a/arch/um/drivers/net_user.c
> +++ b/arch/um/drivers/net_user.c
> @@ -249,21 +249,23 @@ void close_addr(unsigned char *addr, unsigned char *netmask, void *arg)
>
> char *split_if_spec(char *str, ...)
> {
> - char **arg, *end;
> + char **arg, *end, *ret = NULL;
> va_list ap;
>
> va_start(ap, str);
> while ((arg = va_arg(ap, char **)) != NULL) {
> if (*str == '\0')
> - return NULL;
> + goto out;
> end = strchr(str, ',');
> if (end != str)
> *arg = str;
> if (end == NULL)
> - return NULL;
> + goto out;
> *end++ = '\0';
> str = end;
> }
> + ret = str;
> +out:
> va_end(ap);
> - return str;
> + return ret;
> }

Applied! :)

--
Thanks,
//richard
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