long lttng_event_notifier_group_error_counter_cmd(int objd, unsigned int cmd, unsigned long arg,
union ust_args *uargs, void *owner)
{
+ int ret;
struct lttng_counter *counter = objd_private(objd);
switch (cmd) {
case LTTNG_UST_COUNTER_GLOBAL:
- return -EINVAL; /* Unimplemented. */
+ ret = -EINVAL; /* Unimplemented. */
+ break;
case LTTNG_UST_COUNTER_CPU:
{
struct lttng_ust_counter_cpu *counter_cpu =
(struct lttng_ust_counter_cpu *)arg;
- return lttng_counter_set_cpu_shm(counter->counter,
+
+ ret = lttng_counter_set_cpu_shm(counter->counter,
counter_cpu->cpu_nr, uargs->counter_shm.shm_fd);
+ if (!ret) {
+ /* Take ownership of the shm_fd. */
+ uargs->counter_shm.shm_fd = -1;
+ }
+ break;
}
default:
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
+
+ return ret;
}
LTTNG_HIDDEN