The value of rte_errno must be positive in case of an error.
Fixes: d77d07391d4d ("net/sfc: support flow API RSS action") Cc: stable@dpdk.org Signed-off-by: Roman Zhukov <roman.zhukov@oktetlabs.ru> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>