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path: root/drivers/rtc/hctosys.c
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Diffstat (limited to 'drivers/rtc/hctosys.c')
-rw-r--r--drivers/rtc/hctosys.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/rtc/hctosys.c b/drivers/rtc/hctosys.c
index e1cfa06810ef..b9ec4a16db1f 100644
--- a/drivers/rtc/hctosys.c
+++ b/drivers/rtc/hctosys.c
@@ -49,6 +49,13 @@ static int __init rtc_hctosys(void)
tv64.tv_sec = rtc_tm_to_time64(&tm);
+#if BITS_PER_LONG == 32
+ if (tv64.tv_sec > INT_MAX) {
+ err = -ERANGE;
+ goto err_read;
+ }
+#endif
+
err = do_settimeofday64(&tv64);
dev_info(rtc->dev.parent,