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-rw-r--r--sys/xdr/xdr_mbuf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/xdr/xdr_mbuf.c b/sys/xdr/xdr_mbuf.c
index 8ebd35b..ab79e19 100644
--- a/sys/xdr/xdr_mbuf.c
+++ b/sys/xdr/xdr_mbuf.c
@@ -65,6 +65,7 @@ void
xdrmbuf_create(XDR *xdrs, struct mbuf *m, enum xdr_op op)
{
+ KASSERT(m != NULL, ("xdrmbuf_create with NULL mbuf chain"));
xdrs->x_op = op;
xdrs->x_ops = &xdrmbuf_ops;
xdrs->x_base = (char *) m;
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