linux-kernel - [PATCH] pinctrl: coh901: Return proper error if irq_domain_add

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Message-ID: <1352823374.10676.1.camel@phoenix>
Date:	Wed, 14 Nov 2012 00:16:14 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] pinctrl: coh901: Return proper error if
 irq_domain_add_linear() fails

Return -ENOMEM instead of 0 if irq_domain_add_linear fails.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/pinctrl/pinctrl-coh901.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c
index 5c7daf9..1144dcd 100644
--- a/drivers/pinctrl/pinctrl-coh901.c
+++ b/drivers/pinctrl/pinctrl-coh901.c
@@ -752,8 +752,10 @@ static int __init u300_gpio_probe(struct platform_device *pdev)
 						     U300_GPIO_PINS_PER_PORT,
 						     &irq_domain_simple_ops,
 						     port);
-		if (!port->domain)
+		if (!port->domain) {
+			err = -ENOMEM;
 			goto err_no_domain;
+		}
 
 		irq_set_chained_handler(port->irq, u300_gpio_irq_handler);
 		irq_set_handler_data(port->irq, port);
@@ -801,7 +803,7 @@ err_no_domain:
 err_no_port:
 	u300_gpio_free_ports(gpio);
 	clk_disable_unprepare(gpio->clk);
-	dev_info(&pdev->dev, "module ERROR:%d\n", err);
+	dev_err(&pdev->dev, "module ERROR:%d\n", err);
 	return err;
 }
 
-- 
1.7.9.5



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