Return EXIT_FAILURE and print the correct errno code if sd_bus_get_fd() or sd_bus_get_events() fail
fd = sd_bus_get_fd(a);
if (fd < 0) {
fd = sd_bus_get_fd(a);
if (fd < 0) {
log_error_errno(r, "Failed to get fd: %m");
goto finish;
}
events_a = sd_bus_get_events(a);
if (events_a < 0) {
log_error_errno(r, "Failed to get fd: %m");
goto finish;
}
events_a = sd_bus_get_events(a);
if (events_a < 0) {
log_error_errno(r, "Failed to get events mask: %m");
goto finish;
}
log_error_errno(r, "Failed to get events mask: %m");
goto finish;
}
events_b = sd_bus_get_events(b);
if (events_b < 0) {
events_b = sd_bus_get_events(b);
if (events_b < 0) {
log_error_errno(r, "Failed to get events mask: %m");
goto finish;
}
log_error_errno(r, "Failed to get events mask: %m");
goto finish;
}