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-rw-r--r--sys/net/rtsock.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index 799c296..93408fd 100644
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -861,6 +861,9 @@ rt_newaddrmsg(int cmd, struct ifaddr *ifa, int error, struct rtentry *rt)
struct mbuf *m = NULL;
struct ifnet *ifp = ifa->ifa_ifp;
+ KASSERT(cmd == RTM_ADD || cmd == RTM_DELETE,
+ ("unexpected cmd %u", cmd));
+
if (route_cb.any_count == 0)
return;
for (pass = 1; pass < 3; pass++) {
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