[dpdk-dev] [PATCH v5 16/21] rte_ip.h: cast return checksum size to uint16

[Andy Green]

In file included from ./dpdk/worker.c:94:
/projects/lagopus/src/dpdk/build/include/rte_ip.h:
332:9: warning: conversion from 'uint32_t'
{aka 'unsigned int'} to 'uint16_t' {aka 'short
unsigned int'} may change value [-Wconversion]
  return cksum;
         ^~~~~

/projects/lagopus/src/dpdk/build/include/rte_ip.h:
In function 'rte_ipv6_udptcp_cksum':
/projects/lagopus/src/dpdk/build/include/rte_ip.h:421:9:
warning: conversion from 'uint32_t' {aka 'unsigned int'}
to 'uint16_t' {aka 'short unsigned int'} may change
value [-Wconversion]
  return cksum;
         ^~~~~


Signed-off-by: Andy Green <a...@warmcat.com>
---
 lib/librte_net/rte_ip.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index 88dfbaa9a..c46398548 100644
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -329,7 +329,7 @@ rte_ipv4_udptcp_cksum(const struct ipv4_hdr *ipv4_hdr, 
const void *l4_hdr)
        if (cksum == 0)
                cksum = 0xffff;
 
-       return cksum;
+       return (uint16_t)cksum;
 }
 
 /**
@@ -418,7 +418,7 @@ rte_ipv6_udptcp_cksum(const struct ipv6_hdr *ipv6_hdr, 
const void *l4_hdr)
        if (cksum == 0)
                cksum = 0xffff;
 
-       return cksum;
+       return (uint16_t)cksum;
 }
 
 #ifdef __cplusplus