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madwifi: make sure that minstrel rc updates still work after a jiffies wraparound
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19377 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -32,7 +32,7 @@
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int mrr;
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+
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+ if (sn->last_update + msecs_to_jiffies(TIMER_INTERVAL) < jiffies) {
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+ if (abs(jiffies - sn->last_update) > msecs_to_jiffies(TIMER_INTERVAL)) {
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+ ath_rate_statistics(&an->an_node);
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+ sn->last_update = jiffies;
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+ }
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