iwlwifi: don't bring up interface if RF-kill avoids radio

This patch avoids the user from bringing up the interface if RF-kill
doesn't allow radio.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Mohamed Abbas <mohamed.abbas@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>

diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index d1bf599..2d0d079 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -2187,13 +2187,15 @@ static int __iwl4965_up(struct iwl_priv *priv)
        if (iwl_read32(priv, CSR_GP_CNTRL) &
                                CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
                clear_bit(STATUS_RF_KILL_HW, &priv->status);
-       else {
+       else
                set_bit(STATUS_RF_KILL_HW, &priv->status);
-               if (!test_bit(STATUS_IN_SUSPEND, &priv->status)) {
-                       iwl_rfkill_set_hw_state(priv);
-                       IWL_WARNING("Radio disabled by HW RF Kill switch\n");
-                       return -ENODEV;
-               }
+
+       if (!test_bit(STATUS_IN_SUSPEND, &priv->status) &&
+           iwl_is_rfkill(priv)) {
+               iwl_rfkill_set_hw_state(priv);
+               IWL_WARNING("Radio disabled by %s RF Kill switch\n",
+                   test_bit(STATUS_RF_KILL_HW, &priv->status) ? "HW" : "SW");
+               return -ENODEV;
        }
 
        iwl_rfkill_set_hw_state(priv);