mac80211: fix station inactive_time shortly after boot
In the first 5 minutes after boot (time of INITIAL_JIFFIES), ieee80211_sta_last_active() returns zero if last_ack is zero. This leads to "inactive time" showing jiffies_to_msecs(jiffies). # iw wlan0 station get fc:ec:da:64:a6:dd Station fc:ec:da:64:a6:dd (on wlan0) inactive time: 4294894049 ms . . connected time: 70 seconds Fix by returning last_rx if last_ack == 0. Signed-off-by:Ahmed Zaki <anzaki@gmail.com> Link: https://lore.kernel.org/r/20191031121243.27694-1-anzaki@gmail.com Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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71e67c3b
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