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[dpdk-dev,v2,13/24] rte_mbuf.h: make sure RTE-MIN compares same types

Message ID 152600399988.54839.2533082150425969285.stgit@localhost.localdomain (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show

Checks

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

Commit Message

Andy Green May 11, 2018, 1:59 a.m. UTC
/projects/lagopus/src/dpdk/build/include/rte_common.h:384:2:
warning: conversion from 'int' to 'uint16_t'
{aka 'short unsigned int'} may change value [-Wconversion]
  __extension__ ({ \
  ^~~~~~~~~~~~~
/projects/lagopus/src/dpdk/build/include/rte_mbuf.h:1204:16:
note: in expansion of macro 'RTE_MIN'
  m->data_off = RTE_MIN(RTE_PKTMBUF_HEADROOM,
(uint16_t)m->buf_len);

RTE_PKTMBUF_HEADROOM is typ 128, so it doesn't make trouble.

Signed-off-by: Andy Green <andy@warmcat.com>
---
 lib/librte_mbuf/rte_mbuf.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index c214f1945..a27dbb878 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -1201,7 +1201,8 @@  rte_pktmbuf_priv_size(struct rte_mempool *mp)
  */
 static inline void rte_pktmbuf_reset_headroom(struct rte_mbuf *m)
 {
-	m->data_off = RTE_MIN(RTE_PKTMBUF_HEADROOM, (uint16_t)m->buf_len);
+	m->data_off = (uint16_t)RTE_MIN((uint16_t)RTE_PKTMBUF_HEADROOM,
+					(uint16_t)m->buf_len);
 }
 
 /**