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rtlwifi: Add check for get_btc_status callback

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Drivers that do not use the get_btc_status() callback may not define a
dummy routine. The caller needs to check before making the call.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Cc: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: Thadeu Cascardo <cascardo@cascardo.eti.br>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2014-10-23 11:27:09 -05:00 committed by John W. Linville
parent 7632545161
commit 0805420011
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/rtlwifi/pci.c
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@ -1796,7 +1796,8 @@ static int rtl_pci_start(struct ieee80211_hw *hw)
rtl_pci_reset_trx_ring(hw);
rtlpci->driver_is_goingto_unload = false;
if (rtlpriv->cfg->ops->get_btc_status()) {
if (rtlpriv->cfg->ops->get_btc_status &&
rtlpriv->cfg->ops->get_btc_status()) {
rtlpriv->btcoexist.btc_ops->btc_init_variables(rtlpriv);
rtlpriv->btcoexist.btc_ops->btc_init_hal_vars(rtlpriv);
}