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-rw-r--r--net/rds/bind.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 20c156a73e73..5b5fb4ca8d3e 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -244,7 +244,8 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
*/
if (rs->rs_transport) {
trans = rs->rs_transport;
- if (trans->laddr_check(sock_net(sock->sk),
+ if (!trans->laddr_check ||
+ trans->laddr_check(sock_net(sock->sk),
binding_addr, scope_id) != 0) {
ret = -ENOPROTOOPT;
goto out;
@@ -263,6 +264,8 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
sock_set_flag(sk, SOCK_RCU_FREE);
ret = rds_add_bound(rs, binding_addr, &port, scope_id);
+ if (ret)
+ rs->rs_transport = NULL;
out:
release_sock(sk);

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