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plugins: check explicitly for (time_t)-1 from mktime()

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Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
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Joachim Wiberg committed 2023-04-22 15:30:29 +02:00
1 parent 9a962c86c8
commit 2e5b97c8b2
1 file changed
+1 -1
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plugins/rtc.c
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@@ -183,7 +183,7 @@ static void rtc_restore(void *arg)
print_desc(NULL, "Restoring system clock (UTC) from RTC"); print_desc(NULL, "Restoring system clock (UTC) from RTC");
tm.tm_isdst = -1; /* Use tzdata to figure it out, please. */ tm.tm_isdst = -1; /* Use tzdata to figure it out, please. */
tv.tv_sec = mktime(&tm); tv.tv_sec = mktime(&tm);
if (tv.tv_sec < rtc_date_fallback) { if (tv.tv_sec == (time_t)-1 || tv.tv_sec < rtc_date_fallback) {
errno = EINVAL; errno = EINVAL;
goto invalid; goto invalid;
} }