1 files changed, 7 insertions, 0 deletions

diff --git a/net/sctp/probe.c b/net/sctp/probe.c
index 4eaaaf68e5b7..261b7b9858a4 100644
--- a/net/sctp/probe.c
+++ b/net/sctp/probe.c
@@ -183,6 +183,13 @@ static __init int sctpprobe_init(void)
 {
         int ret = -ENOMEM;
 
+        /* Warning: if the function signature of sctp_sf_eat_sack_6_2,
+         * has been changed, you also have to change the signature of
+         * jsctp_sf_eat_sack, otherwise you end up right here!
+         */
+        BUILD_BUG_ON(__same_type(sctp_sf_eat_sack_6_2,
+                                 jsctp_sf_eat_sack) == 0);
+
         init_waitqueue_head(&sctpw.wait);
         spin_lock_init(&sctpw.lock);
         if (kfifo_alloc(&sctpw.fifo, bufsize, GFP_KERNEL))