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78f4e2fea0
If OPAL_RTC_READ is busy and does not return the information on the first run, as returning OPAL_BUSY_EVENT, the system will crash since ymd and hmsm variable will contain junk values. This is happening because we were not calling OPAL_RTC_READ again after OPAL_POLL_EVENTS' return, which would finally replace the old/junk hmsm and ymd values. The code was also mixing OPAL_RTC_READ and OPAL_POLL_EVENTS return values. This patch fix this logic and guarantee that we call OPAL_RTC_READ after OPAL_POLL_EVENTS return, and guarantee the code will only proceed if OPAL_RTC_READ returns OPAL_SUCCESS. Reviewed by: jhibbits Approved by: jhibbits (mentor) Differential Revision: https://reviews.freebsd.org/D16617 |
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