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Plug two interface address refcount leaks in early error return cases

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in the ioctl path.

Reported by:	rpaulo
 Reviewed by:	emax
MFC after:	3 days
This commit is contained in:
Bjoern A. Zeeb 2012-06-05 13:27:37 +00:00
parent 87b8d8bbc9
commit 15cc25e9c0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=236615
1 changed files with 6 additions and 1 deletions
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7
sys/netinet6/in6.c
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@ -1667,14 +1667,19 @@ in6_lifaddr_ioctl(struct socket *so, u_long cmd, caddr_t data,
hostid = IFA_IN6(ifa);
/* prefixlen must be <= 64. */
if (64 < iflr->prefixlen)
if (64 < iflr->prefixlen) {
if (ifa != NULL)
ifa_free(ifa);
return EINVAL;
}
prefixlen = iflr->prefixlen;
/* hostid part must be zero. */
sin6 = (struct sockaddr_in6 *)&iflr->addr;
if (sin6->sin6_addr.s6_addr32[2] != 0 ||
sin6->sin6_addr.s6_addr32[3] != 0) {
if (ifa != NULL)
ifa_free(ifa);
return EINVAL;
}
} else