[PATCH] elf: Fix uninitialized variable for _dl_write

[Adhemerval Zanella]

On 12/11/2020 06:44, Shuo Wang wrote:
> elf: Fix uninitialized variable for _dl_write
> 
> Variable ret in elf/dl-write.c is uninitialized, which should get return value from __writev.

LGTM, although it would only impact Hurd.

> ---
>  elf/dl-write.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/elf/dl-write.c b/elf/dl-write.c
> index 7350aff003..9b741c8a8f 100644
> --- a/elf/dl-write.c
> +++ b/elf/dl-write.c
> @@ -41,7 +41,7 @@ _dl_write (int fd, const void *buffer, size_t length)
>    else
>      {
>        __rtld_lock_lock_recursive (GL(dl_load_lock));
> -      __writev (fd, &iov, 1);
> +      ret = __writev (fd, &iov, 1);
>        if (ret < 0)
>          ret = -errno;
>        __rtld_lock_unlock_recursive (GL(dl_load_lock));
>