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| author | Alex Shi <alex.shi@linaro.org> | 2016-01-14 22:26:03 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-01-14 22:26:03 +0800 |
| commit | 8fa6d2e1fe937af9dbacb5aad8c43dbb67466fa0 (patch) | |
| tree | 53b1cbcaec14e50f491e1cb1f20106c7a15c70e8 /drivers/net/ethernet/sfc/farch.c | |
| parent | 74bc3fe5f5fbb50d63fd002ce240cc7bca236db1 (diff) | |
| parent | f90ae1b62bedd8b57966a7be68855f2d43170db6 (diff) | |
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-androidlsk-v3.18-16.01-android
Diffstat (limited to 'drivers/net/ethernet/sfc/farch.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/farch.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index 6859437b59fb..b70b865fd19b 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -316,7 +316,9 @@ void efx_farch_tx_write(struct efx_tx_queue *tx_queue) unsigned write_ptr; unsigned old_write_count = tx_queue->write_count; - BUG_ON(tx_queue->write_count == tx_queue->insert_count); + tx_queue->xmit_more_available = false; + if (unlikely(tx_queue->write_count == tx_queue->insert_count)) + return; do { write_ptr = tx_queue->write_count & tx_queue->ptr_mask; |