Hi,
When trying to test wl12xx driver from compat-wireless-2010-12-13 (with a wl1273 device), I notice a crash when initializing the wlan interface.
Find below the patch that seems to solve the issue:
diff --git a/compat-wireless-2010-12-13/drivers/net/wireless/wl12xx/main.c b/compat-wireless-2010-12-13/drivers/net/wireless/wl12xx/main.c
index 1fc5a36..480f44b 100644
--- a/compat-wireless-2010-12-13/drivers/net/wireless/wl12xx/main.c
+++ b/compat-wireless-2010-12-13/drivers/net/wireless/wl12xx/main.c
@@ -1858,11 +1858,17 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
{
enum wl1271_cmd_ps_mode mode;
struct wl1271 *wl = hw->priv;
- struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
+ rcu_read_lock();
+ struct ieee80211_sta *sta;
bool do_join = false;
bool set_assoc = false;
int ret;
+ sta = ieee80211_find_sta(vif, bss_conf->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
+ rcu_read_unlock();
mutex_lock(&wl->mutex);
--
Is this a known bug that has already been encountered? I am using the compat wireless flavor of the mac80211 framework and driver so I don't really know if you can come across this issue with standard kernel.
Thanks,
John
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