From: Fabio Estevam <fabio.estevam@xxxxxxx>
clk_prepare_enable() may fail, so we should better check its return value
and propagate it in the case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
---
drivers/watchdog/bcm7038_wdt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/watchdog/bcm7038_wdt.c b/drivers/watchdog/bcm7038_wdt.c
index c1b8e534..f88f546 100644
--- a/drivers/watchdog/bcm7038_wdt.c
+++ b/drivers/watchdog/bcm7038_wdt.c
@@ -136,7 +136,9 @@ static int bcm7038_wdt_probe(struct platform_device *pdev)
wdt->clk = devm_clk_get(dev, NULL);
/* If unable to get clock, use default frequency */
if (!IS_ERR(wdt->clk)) {
- clk_prepare_enable(wdt->clk);
+ err = clk_prepare_enable(wdt->clk);
+ if (err)
+ return err;
wdt->rate = clk_get_rate(wdt->clk);
/* Prevent divide-by-zero exception */
if (!wdt->rate)
--
2.7.4
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