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avahi: handle fd allocation errors

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When we fail to allocate an io source or a timerfd, return NULL instead
of crashing later on.

See #4913
This commit is contained in:
Wim Taymans 2025-09-26 10:52:40 +02:00
parent 06214b6087
commit ecac86b0ca
1 changed files with 8 additions and 2 deletions
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10
src/modules/module-zeroconf-discover/avahi-poll.c
View file

@ -72,7 +72,10 @@ static AvahiWatch* watch_new(const AvahiPoll *api, int fd, AvahiWatchEvent event
w->userdata = userdata;
w->source = pw_loop_add_io(impl->loop, fd, to_pw_events(event),
false, watch_callback, w);
if (w->source == NULL) {
free(w);
return NULL;
}
return w;
}
@ -117,7 +120,10 @@ static AvahiTimeout* timeout_new(const AvahiPoll *api, const struct timeval *tv,
w->callback = callback;
w->userdata = userdata;
w->source = pw_loop_add_timer(impl->loop, timeout_callback, w);
if (w->source == NULL) {
free(w);
return NULL;
}
if (tv != NULL) {
value.tv_sec = tv->tv_sec;
value.tv_nsec = tv->tv_usec * 1000UL;