Index: head/sys/kern/kern_mbuf.c
===================================================================
--- head/sys/kern/kern_mbuf.c
+++ head/sys/kern/kern_mbuf.c
@@ -1423,21 +1423,28 @@
 
 	/* Loop and append maximum sized mbufs to the chain tail. */
 	while (len > 0) {
-		if (len > MCLBYTES)
-			mb = m_getjcl(how, type, (flags & M_PKTHDR),
+		mb = NULL;
+		if (len > MCLBYTES) {
+			mb = m_getjcl(M_NOWAIT, type, (flags & M_PKTHDR),
 			    MJUMPAGESIZE);
-		else if (len >= MINCLSIZE)
-			mb = m_getcl(how, type, (flags & M_PKTHDR));
-		else if (flags & M_PKTHDR)
-			mb = m_gethdr(how, type);
-		else
-			mb = m_get(how, type);
 
-		/* Fail the whole operation if one mbuf can't be allocated. */
+		}
 		if (mb == NULL) {
-			if (nm != NULL)
+			if (len >= MINCLSIZE)
+				mb = m_getcl(how, type, (flags & M_PKTHDR));
+			else if (flags & M_PKTHDR)
+				mb = m_gethdr(how, type);
+			else
+				mb = m_get(how, type);
+
+			/*
+			 * Fail the whole operation if one mbuf can't be
+			 * allocated.
+			 */
+			if (mb == NULL) {
 				m_freem(nm);
-			return (NULL);
+				return (NULL);
+			}
 		}
 
 		/* Book keeping. */