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Index: madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c
===================================================================
--- madwifi-trunk-r3314.orig/ath_rate/minstrel/minstrel.c 2008-02-20 18:10:46.143143939 +0100
+++ madwifi-trunk-r3314/ath_rate/minstrel/minstrel.c 2008-02-20 18:10:47.471219622 +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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