sfc: remove incorrect EFX_BUG_ON_PARANOID check

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

Fixes: 70b33fb0dd ("sfc: add support for
 skb->xmit_more").

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jon Cooper 2014-10-21 14:50:29 +01:00 committed by David S. Miller
parent 7c1c97d54f
commit 8fc963515e

View File

@ -343,8 +343,6 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
unsigned short dma_flags; unsigned short dma_flags;
int i = 0; int i = 0;
EFX_BUG_ON_PARANOID(tx_queue->write_count > tx_queue->insert_count);
if (skb_shinfo(skb)->gso_size) if (skb_shinfo(skb)->gso_size)
return efx_enqueue_skb_tso(tx_queue, skb); 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 */ /* Find the packet protocol and sanity-check it */
state.protocol = efx_tso_check_protocol(skb); 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); rc = tso_start(&state, efx, skb);
if (rc) if (rc)
goto mem_err; goto mem_err;