From: Ursula Braun <ursula.braun@xxxxxxxxxx> When polling on an AF_IUCV socket, writing should be blocked if the number of pending messages exceeds a defined limit. Signed-off-by: Ursula Braun <ursula.braun@xxxxxxxxxx> Signed-off-by: Frank Blaschka <frank.blaschka@xxxxxxxxxx> --- net/iucv/af_iucv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1490,7 +1490,7 @@ unsigned int iucv_sock_poll(struct file if (sk->sk_state == IUCV_DISCONN) mask |= POLLIN; - if (sock_writeable(sk)) + if (sock_writeable(sk) && iucv_below_msglim(sk)) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
