[PATCH 1/2] cpukit/jffs2: Set extracted nodes off-chain

Sebastian Huber sebastian.huber at embedded-brains.de
Thu Sep 21 14:47:49 UTC 2023


On 20.09.23 20:35, Kinsey Moore wrote:
[...]
> @@ -1306,8 +1307,22 @@ static void process_delayed_work(void)
>   	while (!rtems_chain_is_tail(&process_work_chain, node)) {
>   		work = (struct delayed_work*) node;
>   		rtems_chain_node* next_node = rtems_chain_next(node);
> +
> +		/*
> +		 * Don't leave extracted node exposed to other operations
> +		 * under RTEMS_DEBUG
> +		 */
> +#ifdef RTEMS_DEBUG
> +		mutex_lock(&delayed_work_mutex);
> +#endif
>   		rtems_chain_extract(node);
> +#ifdef RTEMS_DEBUG
> +		node->next = node;
> +		mutex_unlock(&delayed_work_mutex);
> +#endif
> +
>   		work->callback(&work->work);
> +		rtems_chain_set_off_chain(node);
>   		node = next_node;
>   	}
>   }

This change makes no sense to me. The code should work regardless if 
RTEMS_DEBUG is defined or not.

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