diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-12-07 22:40:13 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-12-14 14:21:21 +0200 |
| commit | 0c1528675d7a9787cb516b64d8f6c0f6f8efcb48 (patch) | |
| tree | 360ae16ff9e184301b55dc974c395901a7d7f21e /drivers/net/wireless/intel/iwlegacy/common.c | |
| parent | 313950c2114e7051c4e3020fd82495fa1fb526a8 (diff) | |
wifi: iwlegacy: common: don't call dev_kfree_skb() under spin_lock_irqsave()
It is not allowed to call consume_skb() from hardware interrupt context
or with interrupts being disabled. So replace dev_kfree_skb() with
dev_consume_skb_irq() under spin_lock_irqsave(). Compile tested only.
Fixes: 4bc85c1324aa ("Revert "iwlwifi: split the drivers for agn and legacy devices 3945/4965"")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221207144013.70210-1-yangyingliang@huawei.com
Diffstat (limited to 'drivers/net/wireless/intel/iwlegacy/common.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlegacy/common.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index 341c17fe2af4..96002121bb8b 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -5174,7 +5174,7 @@ il_mac_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) memset(&il->current_ht_config, 0, sizeof(struct il_ht_config)); /* new association get rid of ibss beacon skb */ - dev_kfree_skb(il->beacon_skb); + dev_consume_skb_irq(il->beacon_skb); il->beacon_skb = NULL; il->timestamp = 0; @@ -5293,7 +5293,7 @@ il_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif) } spin_lock_irqsave(&il->lock, flags); - dev_kfree_skb(il->beacon_skb); + dev_consume_skb_irq(il->beacon_skb); il->beacon_skb = skb; timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; |