rx_token = mt76_rx_token_consume(dev, (void *)skb, t,
buf[0].addr);
+ if (rx_token < 0)
+ return -ENOMEM;
+
buf1 |= FIELD_PREP(MT_DMA_CTL_TOKEN, rx_token);
ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len) |
MT_DMA_CTL_TO_HOST;
qbuf.addr = addr + offset;
qbuf.len = len - offset;
qbuf.skip_unmap = false;
- mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, t);
+ if (mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, t) < 0) {
+ dma_unmap_single(dev->dma_dev, addr, len,
+ DMA_FROM_DEVICE);
+ skb_free_frag(buf);
+ break;
+ }
frames++;
}
desc->buf0 = cpu_to_le32(phy_addr);
token = mt76_rx_token_consume(&dev->mt76, ptr, t, phy_addr);
+ if (token < 0) {
+ dma_unmap_single(dev->mt76.dma_dev, phy_addr,
+ wed->wlan.rx_size, DMA_TO_DEVICE);
+ skb_free_frag(ptr);
+ goto unmap;
+ }
+
desc->token |= cpu_to_le32(FIELD_PREP(MT_DMA_CTL_TOKEN,
token));
desc++;
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);