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sfc: Don't wake TX queues while they're being flushed 

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-03-04 09:53:15 +00:00 committed by David S. Miller
parent 8c870379d2
commit 32d760073e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/sfc/tx.c
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@ -400,7 +400,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
* separates the update of read_count from the test of
* stopped. */
smp_mb();
if (unlikely(tx_queue->stopped)) {
if (unlikely(tx_queue->stopped) && likely(efx->port_enabled)) {
fill_level = tx_queue->insert_count - tx_queue->read_count;
if (fill_level < EFX_NETDEV_TX_THRESHOLD(tx_queue)) {
EFX_BUG_ON_PARANOID(!efx_dev_registered(efx));