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diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c
--- a/sys/netinet/ip_divert.c
+++ b/sys/netinet/ip_divert.c
@@ -415,17 +415,13 @@
}
NET_EPOCH_EXIT(et);
- if (error != 0)
- m_freem(m);
-
return (error);
}
/*
* Sends mbuf @m to the wire via ip[6]_output().
*
- * Returns 0 on success, @m is consumed.
- * On failure, returns error code. It is caller responsibility to free @m.
+ * Returns 0 on success or an errno value on failure. @m is always consumed.
*/
static int
div_output_outbound(int family, struct socket *so, struct mbuf *m)
@@ -448,6 +444,7 @@
inp->inp_options != NULL) ||
((u_short)ntohs(ip->ip_len) > m->m_pkthdr.len)) {
INP_RUNLOCK(inp);
+ m_freem(m);
return (EINVAL);
}
break;
@@ -459,6 +456,7 @@
/* Don't allow packet length sizes that will crash */
if (((u_short)ntohs(ip6->ip6_plen) > m->m_pkthdr.len)) {
INP_RUNLOCK(inp);
+ m_freem(m);
return (EINVAL);
}
break;
@@ -498,6 +496,7 @@
options = m_dup(inp->inp_options, M_NOWAIT);
if (options == NULL) {
INP_RUNLOCK(inp);
+ m_freem(m);
return (ENOBUFS);
}
}
@@ -525,8 +524,7 @@
/*
* Schedules mbuf @m for local processing via IPv4/IPv6 netisr queue.
*
- * Returns 0 on success, @m is consumed.
- * Returns error code on failure. It is caller responsibility to free @m.
+ * Returns 0 on success or an errno value on failure. @m is always consumed.
*/
static int
div_output_inbound(int family, struct socket *so, struct mbuf *m,
@@ -546,8 +544,10 @@
bzero(sin->sin_zero, sizeof(sin->sin_zero));
sin->sin_port = 0;
ifa = ifa_ifwithaddr((struct sockaddr *) sin);
- if (ifa == NULL)
+ if (ifa == NULL) {
+ m_freem(m);
return (EADDRNOTAVAIL);
+ }
m->m_pkthdr.rcvif = ifa->ifa_ifp;
}
#ifdef MAC
@@ -573,6 +573,7 @@
break;
#endif
default:
+ m_freem(m);
return (EINVAL);
}

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