Index: sys/nfs/krpc_subr.c
===================================================================
--- sys/nfs/krpc_subr.c
+++ sys/nfs/krpc_subr.c
@@ -209,8 +209,10 @@
         * Validate address family.
         * Sorry, this is INET specific...
         */
-       if (sa->sin_family != AF_INET)
+       if (sa->sin_family != AF_INET) {
+               m_freem(mhead);
                return (EAFNOSUPPORT);
+       }

        /* Free at end if not null. */
        nam = mhead = NULL;
@@ -219,8 +221,10 @@
        /*
         * Create socket and set its receive timeout.
         */
-       if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0, td->td_ucred, td)))
+       if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0, td->td_ucred, td))) {
+               m_freem(mhead);
                return error;
+       }

        tv.tv_sec = 1;
        tv.tv_usec = 0;