sfc: remove incorrect EFX_BUG_ON_PARANOID check

write_count and insert_count can wrap around, making > check invalid.

Fixes: 70b33fb0ddec827cbbd14cdc664fc27b2ef4a6b6 ("sfc: add support for
 skb->xmit_more").

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index ee84a90e371c5dedf2fa5b0b31ba520d8611c85b..aaf2987512b5db7472bdef518c4aa4c510612ef7 100644 (file)
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -343,8 +343,6 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
        unsigned short dma_flags;
        int i = 0;
 
-       EFX_BUG_ON_PARANOID(tx_queue->write_count > tx_queue->insert_count);
-
        if (skb_shinfo(skb)->gso_size)
                return efx_enqueue_skb_tso(tx_queue, skb);
 
@@ -1258,8 +1256,6 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
        /* Find the packet protocol and sanity-check it */
        state.protocol = efx_tso_check_protocol(skb);
 
-       EFX_BUG_ON_PARANOID(tx_queue->write_count > tx_queue->insert_count);
-
        rc = tso_start(&state, efx, skb);
        if (rc)
                goto mem_err;