diff options
Diffstat (limited to 'drivers/watchdog/atlas7_wdt.c')
| -rw-r--r-- | drivers/watchdog/atlas7_wdt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/watchdog/atlas7_wdt.c b/drivers/watchdog/atlas7_wdt.c index df6d9242a319..ed80734befae 100644 --- a/drivers/watchdog/atlas7_wdt.c +++ b/drivers/watchdog/atlas7_wdt.c @@ -154,6 +154,11 @@ static int atlas7_wdt_probe(struct platform_device *pdev) writel(0, wdt->base + ATLAS7_WDT_CNT_CTRL); wdt->tick_rate = clk_get_rate(clk); + if (!wdt->tick_rate) { + ret = -EINVAL; + goto err1; + } + wdt->clk = clk; atlas7_wdd.min_timeout = 1; atlas7_wdd.max_timeout = UINT_MAX / wdt->tick_rate; |