--- /dev/null
+Index: madwifi-dfs-r3252/ath/if_ath.c
+===================================================================
+--- madwifi-dfs-r3252.orig/ath/if_ath.c 2008-01-26 11:12:45.731030258 +0100
++++ madwifi-dfs-r3252/ath/if_ath.c 2008-01-26 11:14:38.985484262 +0100
+@@ -529,7 +529,8 @@
+
+ /* Allocate space for dynamically determined maximum VAP count */
+ sc->sc_bslot =
+- kzalloc(ath_maxvaps * sizeof(struct ieee80211vap), GFP_KERNEL);
++ kmalloc(ath_maxvaps * sizeof(struct ieee80211vap), GFP_KERNEL);
++ memset(sc->sc_bslot, 0, ath_maxvaps * sizeof(struct ieee80211vap));
+
+ /*
+ * Cache line size is used to size and align various
+Index: madwifi-dfs-r3252/ath/if_ath_radar.c
+===================================================================
+--- madwifi-dfs-r3252.orig/ath/if_ath_radar.c 2008-01-26 11:14:48.638034327 +0100
++++ madwifi-dfs-r3252/ath/if_ath_radar.c 2008-01-26 11:15:36.740775546 +0100
+@@ -1556,9 +1556,11 @@
+
+ ath_rp_clear(sc);
+
+- sc->sc_rp = (struct ath_rp *)kzalloc(
+- sizeof(struct ath_rp) *
++ sc->sc_rp = (struct ath_rp *)kmalloc(
++ sizeof(struct ath_rp) *
+ ATH_RADAR_PULSE_NR, GFP_KERNEL);
++ memset(sc->sc_rp, 0, sizeof(struct ath_rp) *
++ ATH_RADAR_PULSE_NR);
+
+ if (sc->sc_rp == NULL)
+ return;