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sd-radv: Allocate space also for DNSSL iov option (#7144) 

The iov array needs to hold five entries in addition to the number
of prefixes.
This commit is contained in:
Patrik Flykt 2017-10-20 11:59:15 +03:00 committed by Zbigniew Jędrzejewski-Szmek
parent dd202fa492
commit 6852c0f6b0
1 changed files with 3 additions and 2 deletions
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5
src/libsystemd-network/sd-radv.c
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@ -160,8 +160,9 @@ static int radv_send(sd_radv *ra, const struct in6_addr *dst,
.nd_opt_mtu_type = ND_OPT_MTU,
.nd_opt_mtu_len = 1,
};
/* Reserve iov space for RA header, linkaddr, MTU, N prefixes, RDNSS */
struct iovec iov[4 + ra->n_prefixes];
/* Reserve iov space for RA header, linkaddr, MTU, N prefixes, RDNSS
and DNSSL */
struct iovec iov[5 + ra->n_prefixes];
struct msghdr msg = {
.msg_name = &dst_addr,
.msg_namelen = sizeof(dst_addr),