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udhcpc6: fix aliasing warning

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2019-06-11 18:18:48 +02:00
parent d378fa170a
commit 72f12acb6b
1 changed files with 2 additions and 2 deletions
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4
networking/udhcp/d6_dhcpc.c
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@ -643,7 +643,7 @@ static NOINLINE int send_d6_discover(uint32_t xid, struct in6_addr *requested_ip
client6_data.ia_na = xzalloc(len);
client6_data.ia_na->code = D6_OPT_IA_NA;
client6_data.ia_na->len = len - 4;
*(uint32_t*)client6_data.ia_na->data = rand(); /* IAID */
*(bb__aliased_uint32_t*)client6_data.ia_na->data = rand(); /* IAID */
if (requested_ipv6) {
struct d6_option *iaaddr = (void*)(client6_data.ia_na->data + 4+4+4);
iaaddr->code = D6_OPT_IAADDR;
@ -661,7 +661,7 @@ static NOINLINE int send_d6_discover(uint32_t xid, struct in6_addr *requested_ip
client6_data.ia_pd = xzalloc(len);
client6_data.ia_pd->code = D6_OPT_IA_PD;
client6_data.ia_pd->len = len - 4;
*(uint32_t*)client6_data.ia_pd->data = rand(); /* IAID */
*(bb__aliased_uint32_t*)client6_data.ia_pd->data = rand(); /* IAID */
opt_ptr = mempcpy(opt_ptr, client6_data.ia_pd, len);
}