diff options
Diffstat (limited to 'drivers/watchdog/tangox_wdt.c')
| -rw-r--r-- | drivers/watchdog/tangox_wdt.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/watchdog/tangox_wdt.c b/drivers/watchdog/tangox_wdt.c index 709c1ed6fd79..cfbed7e051b6 100644 --- a/drivers/watchdog/tangox_wdt.c +++ b/drivers/watchdog/tangox_wdt.c @@ -139,6 +139,10 @@ static int tangox_wdt_probe(struct platform_device *pdev) return err; dev->clk_rate = clk_get_rate(dev->clk); + if (!dev->clk_rate) { + err = -EINVAL; + goto err; + } dev->wdt.parent = &pdev->dev; dev->wdt.info = &tangox_wdt_info; @@ -171,10 +175,8 @@ static int tangox_wdt_probe(struct platform_device *pdev) } err = watchdog_register_device(&dev->wdt); - if (err) { - clk_disable_unprepare(dev->clk); - return err; - } + if (err) + goto err; platform_set_drvdata(pdev, dev); @@ -187,6 +189,10 @@ static int tangox_wdt_probe(struct platform_device *pdev) dev_info(&pdev->dev, "SMP86xx/SMP87xx watchdog registered\n"); return 0; + + err: + clk_disable_unprepare(dev->clk); + return err; } static int tangox_wdt_remove(struct platform_device *pdev) |