From 4f0642a6665d1f4dbf8ef472dd5620e7585357b9 Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Mon, 6 Jun 2011 16:28:54 -0700 Subject: [PATCH] iwlagn: Sanity check for 11n capability Make sure when we say 11n enable, we really support it. Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c index 512d8beb3dfd..7745816eaff4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c @@ -113,6 +113,11 @@ int iwl_eeprom_check_sku(struct iwl_priv *priv) if (!priv->cfg->sku) { /* not using sku overwrite */ priv->cfg->sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP); + if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE && + !priv->cfg->ht_params) { + IWL_ERR(priv, "Invalid 11n configuration\n"); + return -EINVAL; + } } if (!priv->cfg->sku) { IWL_ERR(priv, "Invalid device sku\n"); -- 2.30.2