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kernel: Ignore _pend_current_thread return in some cases

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There are some cases that there is nothing to do with
_pend_current_thread() return (that is _Swap return value).

As MISRA-C requires that all non-void functions have their
return value checked, we are explicitly ignoring it when there is
nothing to do.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2018-09-11 19:32:59 -07:00 committed by Anas Nashif
parent da49f2e440
commit 1663ca8590
3 changed files with 4 additions and 4 deletions
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2
kernel/mempool.c
View file

@ -91,7 +91,7 @@ int k_mem_pool_alloc(struct k_mem_pool *p, struct k_mem_block *block,
return ret;
}
_pend_current_thread(irq_lock(), &p->wait_q, timeout);
(void)_pend_current_thread(irq_lock(), &p->wait_q, timeout);
if (timeout != K_FOREVER) {
timeout = end - _tick_get();

4
kernel/pipes.c
View file

@ -565,7 +565,7 @@ int _k_pipe_put_internal(struct k_pipe *pipe, struct k_pipe_async *async_desc,
*/
key = irq_lock();
_sched_unlock_no_reschedule();
_pend_current_thread(key, &pipe->wait_q.writers, timeout);
(void)_pend_current_thread(key, &pipe->wait_q.writers, timeout);
} else {
k_sched_unlock();
}
@ -707,7 +707,7 @@ int _impl_k_pipe_get(struct k_pipe *pipe, void *data, size_t bytes_to_read,
_current->base.swap_data = &pipe_desc;
key = irq_lock();
_sched_unlock_no_reschedule();
_pend_current_thread(key, &pipe->wait_q.readers, timeout);
(void)_pend_current_thread(key, &pipe->wait_q.readers, timeout);
} else {
k_sched_unlock();
}

2
kernel/timer.c
View file

@ -206,7 +206,7 @@ u32_t _impl_k_timer_status_sync(struct k_timer *timer)
if (result == 0) {
if (timer->timeout.delta_ticks_from_prev != _INACTIVE) {
/* wait for timer to expire or stop */
_pend_current_thread(key, &timer->wait_q, K_FOREVER);
(void)_pend_current_thread(key, &timer->wait_q, K_FOREVER);
/* get updated timer status */
key = irq_lock();