[bug report] rtlwifi: Add rx ampdu cfg for btcoexist.

[Dan Carpenter]

Hello Ping-Ke Shih,

The patch 2635664e6e4a: "rtlwifi: Add rx ampdu cfg for btcoexist."
from Jun 18, 2017, leads to the following static checker warning:

        drivers/net/wireless/realtek/rtlwifi/base.c:1664 rtl_rx_ampdu_apply()
        error: uninitialized symbol 'reject_agg'.

drivers/net/wireless/realtek/rtlwifi/base.c
  1655  void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
  1656  {
  1657          struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
  1658          u8 reject_agg, ctrl_agg_size = 0, agg_size;
  1659  
  1660          if (rtlpriv->cfg->ops->get_btc_status())
  1661                  btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
  1662                                             &ctrl_agg_size, &agg_size);
  1663  
  1664          RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
  1665                   "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, 
size=%d",
  1666                   reject_agg, ctrl_agg_size, agg_size);
                         ^^^^^^^^^^                 ^^^^^^^^
potentially uninitialized.

  1667  
  1668          rtlpriv->hw->max_rx_aggregation_subframes =
  1669                  (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF);
  1670  }
  1671  EXPORT_SYMBOL(rtl_rx_ampdu_apply);


regards,
dan carpenter