package/madwifi/patches/123-ccmp_checks.patch

   1 Index: madwifi-ng-r2420-20070602/net80211/ieee80211_crypto_ccmp.c
   2 ===================================================================
   3 --- madwifi-ng-r2420-20070602.orig/net80211/ieee80211_crypto_ccmp.c     2007-06-04 13:21:53.234883736 +0200
   4 +++ madwifi-ng-r2420-20070602/net80211/ieee80211_crypto_ccmp.c  2007-06-04 13:21:57.936169032 +0200
   5 @@ -118,6 +118,12 @@
   6         ctx->cc_ic = vap->iv_ic;
   7         ctx->cc_tfm = crypto_alloc_cipher("aes", 0,
   8                                         CRYPTO_ALG_ASYNC);
   9 +
  10 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
  11 +       if (IS_ERR(ctx->cc_tfm))
  12 +               ctx->cc_tfm = NULL;
  13 +#endif
  14 +
  15         if (ctx->cc_tfm == NULL) {
  16                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
  17                                 "%s: unable to load kernel AES crypto support\n",
  18 @@ -465,6 +471,9 @@
  19         uint8_t *mic, *pos;
  20         u_int space;
  21
  22 +       if (ctx->cc_tfm == NULL)
  23 +               return 0;
  24 +
  25         ctx->cc_vap->iv_stats.is_crypto_ccmp++;
  26
  27         skb = skb0;
  28 @@ -579,6 +588,9 @@
  29         uint8_t *pos, *mic;
  30         u_int space;
  31
  32 +       if (ctx->cc_tfm == NULL)
  33 +               return 0;
  34 +
  35         ctx->cc_vap->iv_stats.is_crypto_ccmp++;
  36
  37         skb = skb0;