linux-kernel - [PATCH 2/2] watchdog: Return proper error in nuc900wdt_probe if misc

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Date:	Wed, 18 Jan 2012 10:46:52 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Wan ZongShun <mcuos.com@...il.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	linux-watchdog@...r.kernel.org
Subject: [PATCH 2/2] watchdog: Return proper error in nuc900wdt_probe if
 misc_register fails

Return proper error instead of 0 if misc_register fails

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/watchdog/nuc900_wdt.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/watchdog/nuc900_wdt.c b/drivers/watchdog/nuc900_wdt.c
index 2cce856..529085b 100644
--- a/drivers/watchdog/nuc900_wdt.c
+++ b/drivers/watchdog/nuc900_wdt.c
@@ -287,7 +287,8 @@ static int __devinit nuc900wdt_probe(struct platform_device *pdev)
 
 	setup_timer(&nuc900_wdt->timer, nuc900_wdt_timer_ping, 0);
 
-	if (misc_register(&nuc900wdt_miscdev)) {
+	ret = misc_register(&nuc900wdt_miscdev);
+	if (ret) {
 		dev_err(&pdev->dev, "err register miscdev on minor=%d (%d)\n",
 			WATCHDOG_MINOR, ret);
 		goto err_clk;
-- 
1.7.5.4



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