Return an error code if kthread_create() fails.  Currently the code
returns success.

Fixes: 6266aea864fa ("rtc: optee: add alarm related rtc ops to optee rtc driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/rtc/rtc-optee.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-optee.c b/drivers/rtc/rtc-optee.c
index 27db403e3047..7b44d7723cae 100644
--- a/drivers/rtc/rtc-optee.c
+++ b/drivers/rtc/rtc-optee.c
@@ -614,6 +614,7 @@ static int optee_rtc_probe(struct device *dev)
 						  priv, "rtc_alarm_evt");
 		if (IS_ERR(priv->alarm_task)) {
 			dev_err(dev, "Failed to create alarm thread\n");
+			err = PTR_ERR(priv->alarm_task);
 			goto out_shm;
 		}
 
-- 
2.51.0