iwlwifi: Don't send host commands on rfkill

This patch prevents sending host commands when rfkill is on

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -687,6 +687,12 @@ static int iwl3945_enqueue_hcmd(struct iwl3945_priv *priv, struct iwl3945_host_c
 	BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
 	       !(cmd->meta.flags & CMD_SIZE_HUGE));
 
+
+	if (iwl3945_is_rfkill(priv)) {
+		IWL_DEBUG_INFO("Not sending command - RF KILL");
+		return -EIO;
+	}
+
 	if (iwl3945_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
 		IWL_ERROR("No space for Tx\n");
 		return -ENOSPC;

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -692,6 +692,11 @@ static int iwl4965_enqueue_hcmd(struct iwl4965_priv *priv, struct iwl4965_host_c
 	BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
 	       !(cmd->meta.flags & CMD_SIZE_HUGE));
 
+	if (iwl4965_is_rfkill(priv)) {
+		IWL_DEBUG_INFO("Not sending command - RF KILL");
+		return -EIO;
+	}
+
 	if (iwl4965_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
 		IWL_ERROR("No space for Tx\n");
 		return -ENOSPC;