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@xxxxxxxxxxxx>
Cc: Murilo Opsfelder Araujo <mopsfelder@xxxxxxxxx>
Cc: Mike Galbraith <umgwanakikbuti@xxxxxxxxx>
Cc: Thadeu Cascardo <cascardo@xxxxxxxxxxxxxxx>
---
John,
This missing statement is causing kernel crashes for several of the drivers.
This patch should be applied ASAP.
Larry
---
drivers/net/wireless/rtlwifi/pci.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 667aba8..25daa87 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);
}
--
1.8.4.5
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