diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:17:57 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:17:57 +0200 |
commit | f77d26a9fc525286bcef3d4f98b52e17482cf49c (patch) | |
tree | 6b179c9aa84787773cb601a14a64255e2912154b /drivers/net/wireless/intersil/hostap/hostap_hw.c | |
parent | b6bea24d41519e8c31e4798f1c1a3f67e540c5d0 (diff) | |
parent | f0178fc01fe46bab6a95415f5647d1a74efcad1b (diff) |
Merge branch 'x86/entry' into ras/core
to fixup conflicts in arch/x86/kernel/cpu/mce/core.c so MCE specific follow
up patches can be applied without creating a horrible merge conflict
afterwards.
Diffstat (limited to 'drivers/net/wireless/intersil/hostap/hostap_hw.c')
-rw-r--r-- | drivers/net/wireless/intersil/hostap/hostap_hw.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/wireless/intersil/hostap/hostap_hw.c b/drivers/net/wireless/intersil/hostap/hostap_hw.c index 58212c532c90..aadf3dec5bf3 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_hw.c +++ b/drivers/net/wireless/intersil/hostap/hostap_hw.c @@ -3041,6 +3041,27 @@ static void prism2_clear_set_tim_queue(local_info_t *local) } } + +/* + * HostAP uses two layers of net devices, where the inner + * layer gets called all the time from the outer layer. + * This is a natural nesting, which needs a split lock type. + */ +static struct lock_class_key hostap_netdev_xmit_lock_key; + +static void prism2_set_lockdep_class_one(struct net_device *dev, + struct netdev_queue *txq, + void *_unused) +{ + lockdep_set_class(&txq->_xmit_lock, + &hostap_netdev_xmit_lock_key); +} + +static void prism2_set_lockdep_class(struct net_device *dev) +{ + netdev_for_each_tx_queue(dev, prism2_set_lockdep_class_one, NULL); +} + static struct net_device * prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx, struct device *sdev) @@ -3199,6 +3220,7 @@ while (0) if (ret >= 0) ret = register_netdevice(dev); + prism2_set_lockdep_class(dev); rtnl_unlock(); if (ret < 0) { printk(KERN_WARNING "%s: register netdevice failed!\n", |