github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-28 00:53:34 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

wifi: mt76: mt7921: add mt7921_mutex_acquire at mt7921_sta_set_decap_offload

Browse Source 
Add mt7921_mutex_acquire at mt7921_[start, stop]_ap to fix the race
with the context holding dev->muxtex and the driver might access the
device in low power state.

Fixes: 24299fc869 ("mt76: mt7921: enable rx header traslation offload")
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2022-07-29 22:44:57 +08:00 committed by Felix Fietkau
parent 52b44015f0
commit 59c20b9178
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/mediatek/mt76/mt7921/main.c
View File

@ -1404,6 +1404,8 @@ static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
struct mt7921_dev *dev = mt7921_hw_dev(hw);
mt7921_mutex_acquire(dev);
if (enabled)
set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
else
@ -1411,6 +1413,8 @@ static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,
mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid,
MCU_UNI_CMD(STA_REC_UPDATE));
mt7921_mutex_release(dev);
}
#if IS_ENABLED(CONFIG_IPV6)