ramips: fix locking issues in the ethernet driver
The stats update needs to protect against being interrupted by a tasklet The u64 stats seqlock needs to be initialized Signed-off-by: Felix Fietkau <nbd@nbd.name>
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e988b0fe0d
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1 changed files with 3 additions and 2 deletions
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@ -477,9 +477,9 @@ static void fe_get_stats64(struct net_device *dev,
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}
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if (netif_running(dev) && netif_device_present(dev)) {
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if (spin_trylock(&hwstats->stats_lock)) {
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if (spin_trylock_bh(&hwstats->stats_lock)) {
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fe_stats_update(priv);
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spin_unlock(&hwstats->stats_lock);
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spin_unlock_bh(&hwstats->stats_lock);
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}
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}
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@ -1581,6 +1581,7 @@ static int fe_probe(struct platform_device *pdev)
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priv->tx_ring.tx_ring_size = NUM_DMA_DESC;
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priv->rx_ring.rx_ring_size = NUM_DMA_DESC;
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INIT_WORK(&priv->pending_work, fe_pending_work);
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u64_stats_init(&priv->hw_stats->syncp);
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napi_weight = 16;
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if (priv->flags & FE_FLAG_NAPI_WEIGHT) {
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