linux-kernel - [RESEND PATCH 3/3] watchdog: shwdt: Remove the unnecessary check of resource after platform_get

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Date:	Wed, 16 Jul 2014 18:49:04 +0530
From:	George Cherian <george.cherian@...com>
To:	<linux-watchdog@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:	<wim@...ana.be>, George Cherian <george.cherian@...com>
Subject: [RESEND PATCH 3/3] watchdog: shwdt: Remove the unnecessary check of resource after platform_get_resource()

devm_ioremap_resource check for a valid resource. Remove the unnecessary check.
Also group platform_get_resource and devm_ioremap_resource together for better
readability.

Signed-off-by: George Cherian <george.cherian@...com>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/watchdog/shwdt.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index 061756e..fa89bb3 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -230,10 +230,6 @@ static int sh_wdt_probe(struct platform_device *pdev)
 	if (pdev->id != -1)
 		return -EINVAL;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (unlikely(!res))
-		return -EINVAL;
-
 	wdt = devm_kzalloc(&pdev->dev, sizeof(struct sh_wdt), GFP_KERNEL);
 	if (unlikely(!wdt))
 		return -ENOMEM;
@@ -249,6 +245,7 @@ static int sh_wdt_probe(struct platform_device *pdev)
 		wdt->clk = NULL;
 	}
 
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	wdt->base = devm_ioremap_resource(wdt->dev, res);
 	if (IS_ERR(wdt->base))
 		return PTR_ERR(wdt->base);
-- 
1.8.3.1

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