diff options
| author | David Spinadel <david.spinadel@intel.com> | 2012-03-10 13:00:10 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-03-12 14:22:02 -0400 |
| commit | 8f7ffbe2b275e5315773322161945a24518e31f4 (patch) | |
| tree | ca73d736a52b9e443ce79a010c16d19cfb081f75 /drivers/net/wireless/iwlwifi/iwl-testmode.c | |
| parent | 69a10b29eb87cf186cac20921b4884e349b59c97 (diff) | |
iwlwifi: avoid some operations if no uCode loaded
Printing the SRAM and similar testmode operations could
be triggered when no uCode is loaded; prevent those
invalid operations by tracking whether uCode is loaded.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-testmode.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-testmode.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.c b/drivers/net/wireless/iwlwifi/iwl-testmode.c index b06c6763cb7a..c6c084f45b72 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.c +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.c @@ -494,6 +494,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: iwl_testmode_cfg_init_calib(priv); + priv->ucode_loaded = false; iwl_trans_stop_device(trans); break; @@ -512,6 +513,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: iwl_scan_cancel_timeout(priv, 200); + priv->ucode_loaded = false; iwl_trans_stop_device(trans); status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN); if (status) { @@ -591,25 +593,27 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) IWL_ERR(priv, "Memory allocation fail\n"); return -ENOMEM; } - switch (priv->shrd->ucode_type) { - case IWL_UCODE_REGULAR: - inst_size = priv->fw->ucode_rt.code.len; - data_size = priv->fw->ucode_rt.data.len; - break; - case IWL_UCODE_INIT: - inst_size = priv->fw->ucode_init.code.len; - data_size = priv->fw->ucode_init.data.len; - break; - case IWL_UCODE_WOWLAN: - inst_size = priv->fw->ucode_wowlan.code.len; - data_size = priv->fw->ucode_wowlan.data.len; - break; - case IWL_UCODE_NONE: + if (!priv->ucode_loaded) { IWL_ERR(priv, "No uCode has not been loaded\n"); - break; - default: - IWL_ERR(priv, "Unsupported uCode type\n"); - break; + return -EINVAL; + } else { + switch (priv->shrd->ucode_type) { + case IWL_UCODE_REGULAR: + inst_size = priv->fw->ucode_rt.code.len; + data_size = priv->fw->ucode_rt.data.len; + break; + case IWL_UCODE_INIT: + inst_size = priv->fw->ucode_init.code.len; + data_size = priv->fw->ucode_init.data.len; + break; + case IWL_UCODE_WOWLAN: + inst_size = priv->fw->ucode_wowlan.code.len; + data_size = priv->fw->ucode_wowlan.data.len; + break; + default: + IWL_ERR(priv, "Unsupported uCode type\n"); + break; + } } NLA_PUT_U32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type); NLA_PUT_U32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size); |