On 10/23/2014 02:27 PM, Larry Finger wrote:
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 <[email protected]>
Cc: Murilo Opsfelder Araujo <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Thadeu Cascardo <[email protected]>
---
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);
}
Hi, Larry.
I've applied this patch on top of next-20141023 and my system still
crashes (perhaps at a point after .get_btc_status is called).
I'm not sure how to capture the panic message in text plain so I took a
photo of it:
http://opsfelder.com/~murilo/lkml/next-20141023_plus_larry_patch.jpg
--
Murilo
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