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Index: madwifi-ng-r2834-20071106/ath_rate/minstrel/minstrel.c
===================================================================
--- madwifi-ng-r2834-20071106.orig/ath_rate/minstrel/minstrel.c 2007-11-07 14:01:59.625349524 +0100
+++ madwifi-ng-r2834-20071106/ath_rate/minstrel/minstrel.c 2007-11-07 14:02:01.169437517 +0100
@@ -393,6 +393,9 @@
struct minstrel_node *sn = ATH_NODE_MINSTREL(an);
int rc1, rc2, rc3; /* Index into the rate table, so for example, it is 0..11 */
+ if (sn->num_rates <= 0)
+ return;
+
if (sn->is_sampling) {
sn->is_sampling = 0;
if (sn->rs_sample_rate_slower)
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