diff options
Diffstat (limited to 'net/netlink/af_netlink.c')
| -rw-r--r-- | net/netlink/af_netlink.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index d8e2e3918ce2..a774985489e2 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1096,6 +1096,11 @@ static int netlink_insert(struct sock *sk, u32 portid) err = __netlink_insert(table, sk); if (err) { + /* In case the hashtable backend returns with -EBUSY + * from here, it must not escape to the caller. + */ + if (unlikely(err == -EBUSY)) + err = -EOVERFLOW; if (err == -EEXIST) err = -EADDRINUSE; nlk_sk(sk)->portid = 0; @@ -2396,7 +2401,7 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) * sendmsg(), but that's what we've got... */ if (netlink_tx_is_mmaped(sk) && - msg->msg_iter.type == ITER_IOVEC && + iter_is_iovec(&msg->msg_iter) && msg->msg_iter.nr_segs == 1 && msg->msg_iter.iov->iov_base == NULL) { err = netlink_mmap_sendmsg(sk, msg, dst_portid, dst_group, |