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| author | Felix Fietkau <nbd@nbd.name> | 2023-08-29 10:39:53 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2023-09-30 20:03:03 +0200 |
| commit | 0335c034e7265d36d956e806f33202c94a8a9860 (patch) | |
| tree | 135dabd2b968ab97d046a84aa39df63151fa20b1 /drivers/net/wireless/mediatek/mt76/mt792x_core.c | |
| parent | debd133ab2e2e06989c24e1a72be2b7997f30456 (diff) | |
| download | linux-stable-0335c034e7265d36d956e806f33202c94a8a9860.tar.gz linux-stable-0335c034e7265d36d956e806f33202c94a8a9860.tar.bz2 linux-stable-0335c034e7265d36d956e806f33202c94a8a9860.zip | |
wifi: mt76: fix race condition related to checking tx queue fill status
When drv_tx calls race against local tx scheduling, the queue fill status checks
can potentially race, leading to dma queue entries being overwritten.
Fix this by deferring packets from drv_tx calls to the tx worker, in order to
ensure that all regular queue tx comes from the same context.
Reported-by: Ryder Lee <Ryder.Lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt792x_core.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt792x_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_core.c b/drivers/net/wireless/mediatek/mt76/mt792x_core.c index 46be7f996c7e..5648b7328b8c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x_core.c +++ b/drivers/net/wireless/mediatek/mt76/mt792x_core.c @@ -115,7 +115,7 @@ void mt792x_remove_interface(struct ieee80211_hw *hw, list_del_init(&msta->wcid.poll_list); spin_unlock_bh(&dev->mt76.sta_poll_lock); - mt76_packet_id_flush(&dev->mt76, &msta->wcid); + mt76_wcid_cleanup(&dev->mt76, &msta->wcid); } EXPORT_SYMBOL_GPL(mt792x_remove_interface); |