-Only in madwifi.dev/ath: if_ath.c.orig
diff -ur madwifi.old/net80211/ieee80211_crypto_ccmp.c madwifi.dev/net80211/ieee80211_crypto_ccmp.c
--- madwifi.old/net80211/ieee80211_crypto_ccmp.c 2007-06-02 04:37:47.425966000 +0200
+++ madwifi.dev/net80211/ieee80211_crypto_ccmp.c 2007-06-02 18:38:27.675882768 +0200
ctx->cc_vap->iv_stats.is_crypto_ccmp++;
skb = skb0;
+diff -ur madwifi.old/net80211/ieee80211_crypto_ccmp.c madwifi.dev/net80211/ieee80211_crypto_ccmp.c
+--- madwifi.old/net80211/ieee80211_crypto_ccmp.c 2007-06-02 19:40:56.291006648 +0200
++++ madwifi.dev/net80211/ieee80211_crypto_ccmp.c 2007-06-03 04:19:47.561334192 +0200
+@@ -118,6 +118,12 @@
+ ctx->cc_ic = vap->iv_ic;
+ ctx->cc_tfm = crypto_alloc_cipher("aes", 0,
+ CRYPTO_ALG_ASYNC);
++
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
++ if (IS_ERR(ctx->cc_tfm))
++ ctx->cc_tfm = NULL;
++#endif
++
+ if (ctx->cc_tfm == NULL) {
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
+ "%s: unable to load kernel AES crypto support\n",