diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index cc12162ba091..12c7e01c2677 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -447,8 +447,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
 		tbl.data = &net->sctp.auth_enable;
 
 	ret = proc_dointvec(&tbl, write, buffer, lenp, ppos);
-
-	if (write) {
+	if (write && ret == 0) {
 		struct sock *sk = net->sctp.ctl_sock;
 
 		net->sctp.auth_enable = new_value;