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authorLarry Finger <Larry.Finger@lwfinger.net>2014-10-23 18:27:09 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-10-23 20:02:07 +0200
commit08054200117a95afc14c3d2ed3a38bf4e345bf78 (patch)
tree8083abfbefaea2ab54ebc75a75e9731eff3d2fd2
parentath9k_common: always update value in ath9k_cmn_update_txpow (diff)
downloadlinux-08054200117a95afc14c3d2ed3a38bf4e345bf78.tar.xz
linux-08054200117a95afc14c3d2ed3a38bf4e345bf78.zip
rtlwifi: Add check for get_btc_status callback
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>
-rw-r--r--drivers/net/wireless/rtlwifi/pci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 667aba81246c..25daa8715219 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -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);
}