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watchdog: pic32-wdt: Fix return value check in pic32_wdt_drv_probe()

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In case of error, the function devm_kzalloc() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should
be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wei Yongjun 2016-06-17 17:11:35 +00:00 committed by Wim Van Sebroeck
parent 22daf7a716
commit db6d2d0e6d
1 changed files with 2 additions and 2 deletions
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4
drivers/watchdog/pic32-wdt.c
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@ -174,8 +174,8 @@ static int pic32_wdt_drv_probe(struct platform_device *pdev)
struct resource *mem;
wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL);
if (IS_ERR(wdt))
return PTR_ERR(wdt);
if (!wdt)
return -ENOMEM;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
wdt->regs = devm_ioremap_resource(&pdev->dev, mem);