[dpdk-dev] [PATCH v2 13/24] rte_mbuf.h: make sure RTE-MIN compares same types
Andy Green
andy at warmcat.com
Fri May 11 03:59:59 CEST 2018
/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 at warmcat.com>
---
lib/librte_mbuf/rte_mbuf.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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);
}
/**
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