ret = kernctl_disable(event->fd);
if (ret < 0) {
- switch (-ret) {
- case EEXIST:
- ret = LTTNG_ERR_KERN_EVENT_EXIST;
- break;
- default:
- PERROR("disable kernel event");
- break;
- }
+ PERROR("Failed to disable kernel event: name = '%s', fd = %d",
+ event->event->name, event->fd);
goto error;
}
ret = kernctl_disable(event->fd);
if (ret < 0) {
- switch (-ret) {
- case EEXIST:
- ret = LTTNG_ERR_KERN_EVENT_EXIST;
- break;
- default:
- PERROR("Failed to disable kernel event notifier: fd = %d, token = %" PRIu64,
- event->fd, event->token);
- break;
- }
+ PERROR("Failed to disable kernel event notifier: fd = %d, token = %" PRIu64,
+ event->fd, event->token);
goto error;
}
}
/* Validate kernel version */
- ret = kernel_validate_version(&kernel_tracer_version,
- &kernel_tracer_abi_version);
+ ret = kernel_validate_version(&the_kernel_tracer_version,
+ &the_kernel_tracer_abi_version);
if (ret < 0) {
goto error_version;
}
PERROR("Failed to close kernel tracer file descriptor: fd = %d",
kernel_tracer_fd);
}
+
kernel_tracer_fd = -1;
return LTTNG_ERR_KERN_VERSION;
kernel_tracer_event_notifier_group_notification_fd);
}
+ kernel_tracer_event_notifier_group_notification_fd = -1;
+
error_modules:
ret = close(kernel_tracer_event_notifier_group_fd);
if (ret) {
kernel_tracer_event_notifier_group_fd);
}
+ kernel_tracer_event_notifier_group_fd = -1;
+
ret = close(kernel_tracer_fd);
if (ret) {
PERROR("Failed to close kernel tracer file descriptor: fd = %d",
kernel_tracer_fd);
}
+ kernel_tracer_fd = -1;
+
error_open:
modprobe_remove_lttng_control();
DBG2("Closing kernel event notifier group notification file descriptor");
if (kernel_tracer_event_notifier_group_notification_fd >= 0) {
int ret = notification_thread_command_remove_tracer_event_source(
- notification_thread_handle,
+ the_notification_thread_handle,
kernel_tracer_event_notifier_group_notification_fd);
if (ret != LTTNG_OK) {
ERR("Failed to remove kernel event notifier notification from notification thread");
kernel_tracer_fd = -1;
}
- DBG("Unloading kernel modules");
- modprobe_remove_lttng_all();
free(syscall_table);
}