From 8bf255bb3862d8f35496b26bc8c2511239bdc18b Mon Sep 17 00:00:00 2001 From: Andy Green Date: Thu, 17 May 2018 21:50:17 +0800 Subject: [PATCH] net: explicit cast of protocol in IPv6 checksum GCC 8.1 warned: In function 'rte_ipv6_phdr_cksum': rte_ip.h:378:18: warning: conversion to 'uint32_t' {aka 'unsigned int'} from 'int' may change the sign of the result [-Wsign-conversion] psd_hdr.proto = (ipv6_hdr->proto << 24); Fixes: 6006818cfb26 ("net: new checksum functions") Cc: stable@dpdk.org Signed-off-by: Andy Green --- lib/librte_net/rte_ip.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h index edbe4335cf..c924aca7f1 100644 --- a/lib/librte_net/rte_ip.h +++ b/lib/librte_net/rte_ip.h @@ -375,7 +375,7 @@ rte_ipv6_phdr_cksum(const struct ipv6_hdr *ipv6_hdr, uint64_t ol_flags) uint32_t proto; /* L4 protocol - top 3 bytes must be zero */ } psd_hdr; - psd_hdr.proto = (ipv6_hdr->proto << 24); + psd_hdr.proto = (uint32_t)(ipv6_hdr->proto << 24); if (ol_flags & PKT_TX_TCP_SEG) { psd_hdr.len = 0; } else { -- 2.20.1