iwlwifi: add bad length check for WEP keys

This patch adds a check for bad length in set key flow. This solves the
Oops reported by Thomas Backlund, Joonwoo Park and Ian Schram.
It also adds some debug printing that can be useful.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index a093f5b83cb6..b58f79626e10 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -1002,6 +1002,7 @@ struct iwl_wep_cmd {
 #define WEP_KEY_WEP_TYPE 1
 #define WEP_KEYS_MAX 4
 #define WEP_INVALID_OFFSET 0xff
+#define WEP_KEY_LEN_64 5
 #define WEP_KEY_LEN_128 13
 
 /******************************************************************************