mac80211: remove TKIP debug

The TKIP code hasn't been changed in a very long
time, so it seems unlikely that anyone really has
a need for the TKIP debug code. Remove it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2 files changed, 1 insertions, 53 deletions

diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 8d249d705980..323aa19a39d5 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -152,17 +152,6 @@ config MAC80211_HT_DEBUG
 
           Do not select this option.
 
-config MAC80211_TKIP_DEBUG
-        bool "Verbose TKIP debugging"
-        depends on MAC80211_DEBUG_MENU
-        ---help---
-          Selecting this option causes mac80211 to print out
-          very verbose TKIP debugging messages. It should not
-          be selected on production systems as those messages
-          are remotely triggerable.
-
-          Do not select this option.
-
 config MAC80211_IBSS_DEBUG
         bool "Verbose IBSS debugging"
         depends on MAC80211_DEBUG_MENU
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 68be47ca208f..57e14d59e12f 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -260,16 +260,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
         keyid = pos[3];
         iv32 = get_unaligned_le32(pos + 4);
         pos += 8;
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
-        {
-                int i;
-                pr_debug("TKIP decrypt: data(len=%zd)", payload_len);
-                for (i = 0; i < payload_len; i++)
-                        printk(" %02x", payload[i]);
-                printk("\n");
-                pr_debug("TKIP decrypt: iv16=%04x iv32=%08x\n", iv16, iv32);
-        }
-#endif
 
         if (!(keyid & (1 << 5)))
                 return TKIP_DECRYPT_NO_EXT_IV;
@@ -280,15 +270,8 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
         if (key->u.tkip.rx[queue].state != TKIP_STATE_NOT_INIT &&
             (iv32 < key->u.tkip.rx[queue].iv32 ||
              (iv32 == key->u.tkip.rx[queue].iv32 &&
-              iv16 <= key->u.tkip.rx[queue].iv16))) {
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
-                pr_debug("TKIP replay detected for RX frame from %pM (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
-                         ta, iv32, iv16,
-                         key->u.tkip.rx[queue].iv32,
-                         key->u.tkip.rx[queue].iv16);
-#endif
+              iv16 <= key->u.tkip.rx[queue].iv16)))
                 return TKIP_DECRYPT_REPLAY;
-        }
 
         if (only_iv) {
                 res = TKIP_DECRYPT_OK;
@@ -300,21 +283,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
             key->u.tkip.rx[queue].iv32 != iv32) {
                 /* IV16 wrapped around - perform TKIP phase 1 */
                 tkip_mixing_phase1(tk, &key->u.tkip.rx[queue], ta, iv32);
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
-                {
-                        int i;
-                        u8 key_offset = NL80211_TKIP_DATA_OFFSET_ENCR_KEY;
-                        pr_debug("TKIP decrypt: Phase1 TA=%pM TK=", ta);
-                        for (i = 0; i < 16; i++)
-                                printk("%02x ",
-                                       key->conf.key[key_offset + i]);
-                        printk("\n");
-                        pr_debug("TKIP decrypt: P1K=");
-                        for (i = 0; i < 5; i++)
-                                printk("%04x ", key->u.tkip.rx[queue].p1k[i]);
-                        printk("\n");
-                }
-#endif
         }
         if (key->local->ops->update_tkip_key &&
             key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
@@ -330,15 +298,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
         }
 
         tkip_mixing_phase2(tk, &key->u.tkip.rx[queue], iv16, rc4key);
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
-        {
-                int i;
-                pr_debug("TKIP decrypt: Phase2 rc4key=");
-                for (i = 0; i < 16; i++)
-                        printk("%02x ", rc4key[i]);
-                printk("\n");
-        }
-#endif
 
         res = ieee80211_wep_decrypt_data(tfm, rc4key, 16, pos, payload_len - 12);
  done: