1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index dc87eda65814..eb415bd76494 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -458,6 +458,11 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled)
         if (rtc->uie_rtctimer.enabled == enabled)
                 goto out;
 
+        if (rtc->uie_unsupported) {
+                err = -EINVAL;
+                goto out;
+        }
+
         if (enabled) {
                 struct rtc_time tm;
                 ktime_t now, onesec;