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-rw-r--r--drivers/rtc/class.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 5396beec30d..1cb61a761cb 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -94,7 +94,9 @@ exit_kfree:
kfree(rtc);
exit_idr:
+ mutex_lock(&idr_lock);
idr_remove(&rtc_idr, id);
+ mutex_unlock(&idr_lock);
exit:
dev_err(dev, "rtc core: unable to register %s, err = %d\n",