diff mbox

[dpdk-dev,v5,14/21] rte_ip.h: cast around promotion to int

Message ID 152656500247.46638.1208418642178744847.stgit@localhost.localdomain (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Andy Green May 17, 2018, 1:50 p.m. UTC 
  /projects/lagopus/src/dpdk/build/include/
rte_ip.h: In function 'rte_ipv4_cksum':
/projects/lagopus/src/dpdk/build/include/
rte_ip.h:256:35: warning: conversion from
'int' to 'uint16_t' {aka 'short unsigned int'}
may change value [-Wconversion]
  return (cksum == 0xffff) ? cksum : ~cksum;
         ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~

Signed-off-by: Andy Green <andy@warmcat.com>
---
 lib/librte_net/rte_ip.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index b46a0c717..8689e9113 100644
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -253,7 +253,7 @@  rte_ipv4_cksum(const struct ipv4_hdr *ipv4_hdr)
 {
 	uint16_t cksum;
 	cksum = rte_raw_cksum(ipv4_hdr, sizeof(struct ipv4_hdr));
-	return (cksum == 0xffff) ? cksum : ~cksum;
+	return (cksum == 0xffff) ? cksum : (uint16_t)~cksum;
 }
 
 /**