1 files changed, 1 insertions, 1 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index e214d2e7e9a3..1b5d669e3029 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -239,7 +239,7 @@ static struct sctp_transport *sctp_addr_id2transport(struct sock *sk,
         union sctp_addr *laddr = (union sctp_addr *)addr;
         struct sctp_transport *transport;
 
-        if (sctp_verify_addr(sk, laddr, af->sockaddr_len))
+        if (!af || sctp_verify_addr(sk, laddr, af->sockaddr_len))
                 return NULL;
 
         addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep,