[PATCH v2 3/7 RESEND] irqchip/loongson-htvec: Fix potential resource leak

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There exists potential resource leak in the error path, fix it.

Fixes: 818e915fbac5 ("irqchip: Add Loongson HyperTransport Vector support")
Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---
 drivers/irqchip/irq-loongson-htvec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-loongson-htvec.c b/drivers/irqchip/irq-loongson-htvec.c
index 1ece933..b36d403 100644
--- a/drivers/irqchip/irq-loongson-htvec.c
+++ b/drivers/irqchip/irq-loongson-htvec.c
@@ -192,7 +192,7 @@ static int htvec_of_init(struct device_node *node,
 	if (!priv->htvec_domain) {
 		pr_err("Failed to create IRQ domain\n");
 		err = -ENOMEM;
-		goto iounmap_base;
+		goto irq_dispose;
 	}
 
 	htvec_reset(priv);
@@ -203,6 +203,9 @@ static int htvec_of_init(struct device_node *node,
 
 	return 0;
 
+irq_dispose:
+	for (; i > 0; i--)
+		irq_dispose_mapping(parent_irq[i - 1]);
 iounmap_base:
 	iounmap(priv->base);
 free_priv:
-- 
2.1.0




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