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wifi: mt76: handle possible mt76_rx_token_consume failures

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Take into account possible error conditions of mt76_rx_token_consume
routine in mt7915_mmio_wed_init_rx_buf() and mt76_dma_add_buf()

Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf")
Fixes: 4f831d18d12d ("wifi: mt76: mt7915: enable WED RX support")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2022-12-10 13:11:05 +01:00
committed by Felix Fietkau
parent 8e7e7e52fc
commit 95c66d6511
3 changed files with 20 additions and 4 deletions
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tx.c
+4 -3
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@@ -764,11 +764,12 @@ int mt76_rx_token_consume(struct mt76_dev *dev, void *ptr,
spin_lock_bh(&dev->rx_token_lock);
token = idr_alloc(&dev->rx_token, t, 0, dev->rx_token_size,
GFP_ATOMIC);
if (token >= 0) {
t->ptr = ptr;
t->dma_addr = phys;
}
spin_unlock_bh(&dev->rx_token_lock);
t->ptr = ptr;
t->dma_addr = phys;
return token;
}
EXPORT_SYMBOL_GPL(mt76_rx_token_consume);