On Fri, Jun 19, 2020 at 05:13:44AM -0700, Richard Cochran wrote:
> But the patch does not handle the situation correctly. This code
> would dump the frame and carry on as if nothing had happened. The
> correct way would be to treat this as a fault on the port in question.
Something like this...
diff --git a/clock.c b/clock.c
index f43cc2a..b081dc2 100644
--- a/clock.c
+++ b/clock.c
@@ -1559,6 +1559,13 @@ int clock_poll(struct clock *c)
LIST_FOREACH(p, &c->ports, list) {
/* Let the ports handle their events. */
for (i = 0; i < N_POLLFD; i++) {
+ if (cur[i].revents & POLLERR) {
+ pr_err("port %d: unexpected socket error",
+ port_number(p));
+ event = EV_FAULT_DETECTED;
+ port_dispatch(p, event, 0);
+ continue;
+ }
if (cur[i].revents & (POLLIN|POLLPRI)) {
event = port_event(p, i);
if (EV_STATE_DECISION_EVENT == event) {
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