[dpdk-stable] [dpdk-dev] [PATCH v4] net/tap: fix missing _SC_IOV_MAX

[Stephen Hemminger]

On Fri,  8 Mar 2019 14:06:58 -0500
olegpoly123 <olegp123 at walla.co.il> wrote:

>  	struct rx_queue *rxq = &internals->rxq[rx_queue_id];
>  	struct rte_mbuf **tmp = &rxq->pool;
>  	long iov_max = sysconf(_SC_IOV_MAX);
> +
> +	if (iov_max <= 0) {
> +		TAP_LOG(WARNING,
> +			"_SC_IOV_MAX is not defined. Using %d as default\n", TAP_IOV_DEFAULT_MAX);
> +		iov_max = TAP_IOV_DEFAULT_MAX;
> +	}
>  	uint16_t nb_desc = RTE_MIN(nb_rx_desc, iov_max - 1);
>  	struct iovec (*iovecs)[nb_desc + 1];

Don't mix code and declarations.