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net: explicit cast of multicast bit clearing

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GCC 8.1 warned:

rte_ether.h:213:13:
warning: conversion from 'int' to 'uint8_t'
{aka 'unsigned char'} may change value [-Wconversion]
  addr[0] &= ~ETHER_GROUP_ADDR;

Fixes: 7ef0072910 ("ethdev: random MAC address")
Cc: stable@dpdk.org

Signed-off-by: Andy Green <andy@warmcat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Andy Green 2018-05-17 21:49:47 +08:00 committed by Thomas Monjalon
parent c779ebdca0
commit beb4076567
1 changed files with 1 additions and 1 deletions
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lib/librte_net/rte_ether.h
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@ -210,7 +210,7 @@ static inline void eth_random_addr(uint8_t *addr)
uint8_t *p = (uint8_t *)&rand;
rte_memcpy(addr, p, ETHER_ADDR_LEN);
addr[0] &= ~ETHER_GROUP_ADDR; /* clear multicast bit */
addr[0] &= (uint8_t)~ETHER_GROUP_ADDR; /* clear multicast bit */
addr[0] |= ETHER_LOCAL_ADMIN_ADDR; /* set local assignment bit */
}