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
2010-01-29 02:49:13 +00:00 · 2010-01-29 02:49:13 +00:00 · 31a4d0c369
parent d91f741c74
commit 31a4d0c369
1 changed files with 1 additions and 1 deletions
--- a/package/madwifi/patches/452-minstrel_no_timer.patch
+++ b/package/madwifi/patches/452-minstrel_no_timer.patch
@ -32,7 +32,7 @@
 		int mrr;
 
 +
-+		if (sn->last_update + msecs_to_jiffies(TIMER_INTERVAL) < jiffies) {
+		if (abs(jiffies - sn->last_update) > msecs_to_jiffies(TIMER_INTERVAL)) {
 +			ath_rate_statistics(&an->an_node);
 +			sn->last_update = jiffies;
 +		}