Openwrt/package/madwifi/patches/123-ccmp_checks.patch

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Index: madwifi-ng-r2420-20070602/net80211/ieee80211_crypto_ccmp.c
===================================================================
--- madwifi-ng-r2420-20070602.orig/net80211/ieee80211_crypto_ccmp.c 2007-06-04 13:21:53.234883736 +0200
+++ madwifi-ng-r2420-20070602/net80211/ieee80211_crypto_ccmp.c 2007-06-04 13:21:57.936169032 +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",
@@ -465,6 +471,9 @@
2007-06-02 17:04:43 +00:00
uint8_t *mic, *pos;
u_int space;
+ if (ctx->cc_tfm == NULL)
+ return 0;
+
ctx->cc_vap->iv_stats.is_crypto_ccmp++;
skb = skb0;
@@ -579,6 +588,9 @@
2007-06-02 17:04:43 +00:00
uint8_t *pos, *mic;
u_int space;
+ if (ctx->cc_tfm == NULL)
+ return 0;
+
ctx->cc_vap->iv_stats.is_crypto_ccmp++;
skb = skb0;