In rtl_tx() the released descriptors are zero'ed by
rtl8169_unmap_tx_skb(). And in the beginning of rtl8169_start_xmit()
we check that enough descriptors are free, therefore there's no way
the DescOwn bit can be set here.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/6965d665-6c50-90c5-70e6-0bb335d4ea47@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
bool stop_queue, door_bell;
u32 opts[2];
- txd_first = tp->TxDescArray + entry;
-
if (unlikely(!rtl_tx_slots_avail(tp))) {
if (net_ratelimit())
netdev_err(dev, "BUG! Tx Ring full when queue awake!\n");
goto err_stop_0;
}
- if (unlikely(le32_to_cpu(txd_first->opts1) & DescOwn))
- goto err_stop_0;
-
opts[1] = rtl8169_tx_vlan_tag(skb);
opts[0] = 0;
entry, false)))
goto err_dma_0;
+ txd_first = tp->TxDescArray + entry;
+
if (frags) {
if (rtl8169_xmit_frags(tp, skb, opts, entry))
goto err_dma_1;