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Index: madwifi-ng-r2420-20070602/net80211/ieee80211_crypto_ccmp.c
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===================================================================
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--- madwifi-ng-r2420-20070602.orig/net80211/ieee80211_crypto_ccmp.c 2007-06-04 13:21:53.234883736 +0200
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+++ madwifi-ng-r2420-20070602/net80211/ieee80211_crypto_ccmp.c 2007-06-04 13:21:57.936169032 +0200
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@@ -118,6 +118,12 @@
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ctx->cc_ic = vap->iv_ic;
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ctx->cc_tfm = crypto_alloc_cipher("aes", 0,
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CRYPTO_ALG_ASYNC);
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+
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
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+ if (IS_ERR(ctx->cc_tfm))
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+ ctx->cc_tfm = NULL;
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+#endif
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+
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if (ctx->cc_tfm == NULL) {
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IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
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"%s: unable to load kernel AES crypto support\n",
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@@ -465,6 +471,9 @@
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uint8_t *mic, *pos;
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u_int space;
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+ if (ctx->cc_tfm == NULL)
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+ return 0;
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+
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ctx->cc_vap->iv_stats.is_crypto_ccmp++;
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skb = skb0;
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@@ -579,6 +588,9 @@
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uint8_t *pos, *mic;
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u_int space;
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+ if (ctx->cc_tfm == NULL)
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+ return 0;
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+
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ctx->cc_vap->iv_stats.is_crypto_ccmp++;
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skb = skb0;
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