iwlagn: clear STATUS_HCMD_ACTIVE bit if fail enqueue

If fail to enqueue host command, clear the STATUS_hcmD_ACTIVE bit
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

drivers/net/wireless/iwlwifi/iwl-hcmd.c

@@ -188,6 +188,7 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	cmd_idx = iwl_enqueue_hcmd(priv, cmd);
 	if (cmd_idx < 0) {
 		ret = cmd_idx;
+		clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
 		IWL_ERR(priv, "Error sending %s: enqueue_hcmd failed: %d\n",
 			  get_cmd_string(cmd->id), ret);
 		return ret;