Re: [Qemu-devel] [PATCH v2 08/10] block: Allow changing 'discard' on reopen

[Alberto Garcia <berto@igalia.com>]

On Mon 03 Sep 2018 04:34:06 PM CEST, Alberto Garcia <berto@igalia.com> wrote:

> +    value = qemu_opt_get_del(opts, "discard");
> +    if (value != NULL) {
> +        if (bdrv_parse_discard_flags(value, &reopen_state->flags) != 0) {
> +            error_setg(errp, "Invalid discard option");
> +            ret = -EINVAL;
> +            goto error;
> +        }
> +    }

I just realized that we're leaking the string here. qemu_opt_get_del()
expects that the returned value is freed by the caller.

I'll correct all the patches from this series with this problem and
resend the series.

Berto