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* [PATCH] irqchip: irq-mtk-sysirq: Make mtk_sysirq_of_init return error if ioremap fails
@ 2015-05-21 14:57 Axel Lin
  2015-05-21 15:36 ` Matthias Brugger
  2015-05-22  9:10 ` [tip:irq/core] irqchip: mtk-sysirq: " tip-bot for Axel Lin
  0 siblings, 2 replies; 3+ messages in thread
From: Axel Lin @ 2015-05-21 14:57 UTC (permalink / raw)
  To: Thomas Gleixner, Jason Cooper
  Cc: Yingjoe Chen, Matthias Brugger, linux-kernel,
	linux-mediatek@lists.infradead.org

PTR_ERR(NULL) returns 0 so current code returns 0 if ioremap fails, fix it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/irqchip/irq-mtk-sysirq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
index 04de2d4..15c1303 100644
--- a/drivers/irqchip/irq-mtk-sysirq.c
+++ b/drivers/irqchip/irq-mtk-sysirq.c
@@ -144,7 +144,7 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
 	chip_data->intpol_base = ioremap(res.start, size);
 	if (!chip_data->intpol_base) {
 		pr_err("mtk_sysirq: unable to map sysirq register\n");
-		ret = PTR_ERR(chip_data->intpol_base);
+		ret = -ENXIO;
 		goto out_free;
 	}
 
-- 
2.1.0




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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2015-05-21 14:57 [PATCH] irqchip: irq-mtk-sysirq: Make mtk_sysirq_of_init return error if ioremap fails Axel Lin
2015-05-21 15:36 ` Matthias Brugger
2015-05-22  9:10 ` [tip:irq/core] irqchip: mtk-sysirq: " tip-bot for Axel Lin

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