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path: root/target/linux/bcm63xx/patches-5.4/324-irqchip-bcm6345-periph-fix-block-uninitialized.patch
blob: 60a645e1bff05ff93347d4c33e050a47b47d99e0 (plain)
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--- a/drivers/irqchip/irq-bcm6345-periph.c
+++ b/drivers/irqchip/irq-bcm6345-periph.c
@@ -52,7 +52,7 @@ static void bcm6345_periph_irq_handle(st
 {
 	struct intc_data *data = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
-	struct intc_block *block;
+	struct intc_block *block = NULL;
 	unsigned int irq = irq_desc_get_irq(desc);
 	unsigned int idx;
 
@@ -62,7 +62,7 @@ static void bcm6345_periph_irq_handle(st
 		if (irq == data->block[idx].parent_irq)
 			block = &data->block[idx];
 
-	for (idx = 0; idx < data->num_words; idx++) {
+	for (idx = 0; block && idx < data->num_words; idx++) {
 		int base = idx * IRQS_PER_WORD;
 		unsigned long pending;
 		int hw_irq;