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watchdog: tqmx86: Fix a couple IS_ERR() vs NULL bugs 

These functions return NULL on error but we accidentally check
for IS_ERR() instead.

Fixes: e3c21e088f ("watchdog: tqmx86: Add watchdog driver for the IO controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Dan Carpenter 2019-01-04 09:47:25 +03:00 committed by Wim Van Sebroeck
parent 3aa8b8bbc1
commit 4a22fc534f
1 changed files with 4 additions and 4 deletions
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8
drivers/watchdog/tqmx86_wdt.c
View File

@ -79,13 +79,13 @@ static int tqmx86_wdt_probe(struct platform_device *pdev)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (IS_ERR(res))
return PTR_ERR(res);
if (!res)
return -ENODEV;
priv->io_base = devm_ioport_map(&pdev->dev, res->start,
resource_size(res));
if (IS_ERR(priv->io_base))
return PTR_ERR(priv->io_base);
if (!priv->io_base)
return -ENOMEM;
watchdog_set_drvdata(&priv->wdd, priv);