write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/lib/cpu_rmap.c
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@@ -232,7 +232,8 @@
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 	for (index = 0; index < rmap->used; index++) {
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 		glue = rmap->obj[index];
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-		irq_set_affinity_notifier(glue->notify.irq, NULL);
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+		if (glue)
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+			irq_set_affinity_notifier(glue->notify.irq, NULL);
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 	}
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 	cpu_rmap_put(rmap);
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@@ -267,6 +268,7 @@
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 	struct irq_glue *glue =
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 		container_of(ref, struct irq_glue, notify.kref);
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+	glue->rmap->obj[glue->index] = NULL;
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 	cpu_rmap_put(glue->rmap);
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 	kfree(glue);
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 }
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@@ -297,6 +299,7 @@
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 	rc = irq_set_affinity_notifier(irq, &glue->notify);
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 	if (rc) {
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 		cpu_rmap_put(glue->rmap);
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+		rmap->obj[glue->index] = NULL;
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 		kfree(glue);
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 	}
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 	return rc;