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| author | Felix Fietkau | 2018-04-25 11:11:21 +0200 |
|---|---|---|
| committer | Kalle Valo | 2018-04-30 12:21:27 +0200 |
| commit | c3d7c82a8bb017e43cafe8eaf7c8309f85ceb781 (patch) | |
| tree | 08034ee5b1b7e346957224a0a66e169086bf09cc /drivers/net/wireless/mediatek/mt76/mt76.h | |
| parent | mt76x2: fix is_mt7612 routine (diff) | |
| download | kernel-qcow2-linux-c3d7c82a8bb017e43cafe8eaf7c8309f85ceb781.tar.gz kernel-qcow2-linux-c3d7c82a8bb017e43cafe8eaf7c8309f85ceb781.tar.xz kernel-qcow2-linux-c3d7c82a8bb017e43cafe8eaf7c8309f85ceb781.zip | |
mt76: fix concurrent rx calls on A-MPDU release
Add a spinlock in mt76_rx_complete. Without this, multiple stats updates
could happen in parallel, which can lead to deadlocks. There are
probably more corner cases fixed by this change.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 065ff78059c3..a74e6eef51e9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -241,6 +241,7 @@ struct mt76_dev { struct device *dev; struct net_device napi_dev; + spinlock_t rx_lock; struct napi_struct napi[__MT_RXQ_MAX]; struct sk_buff_head rx_skb[__MT_RXQ_MAX]; |