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Merge pull request #368 from xiulipan/mirqlistfix 

interrupt: fix unsafe list del
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Liam Girdwood 2018-09-13 16:08:01 +02:00 committed by GitHub
parent 98652478e5 2ad08d2893
commit 96edbbb99c
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1 changed files with 2 additions and 1 deletions
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src/lib/interrupt.c
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@ -89,12 +89,13 @@ static void irq_unregister_child(struct irq_desc *parent, int irq)
spin_lock(&parent->lock);
struct irq_desc *child;
struct list_item *clist;
struct list_item *tlist;
/* does child already exist ? */
if (list_is_empty(&parent->child[SOF_IRQ_BIT(irq)]))
goto finish;
list_for_item(clist, &parent->child[SOF_IRQ_BIT(irq)]) {
list_for_item_safe(clist, tlist, &parent->child[SOF_IRQ_BIT(irq)]) {
child = container_of(clist, struct irq_desc, irq_list);
if (SOF_IRQ_ID(irq) == child->id) {