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authorAlex Shi <alex.shi@linaro.org>2016-01-14 22:26:03 +0800
committerAlex Shi <alex.shi@linaro.org>2016-01-14 22:26:03 +0800
commit8fa6d2e1fe937af9dbacb5aad8c43dbb67466fa0 (patch)
tree53b1cbcaec14e50f491e1cb1f20106c7a15c70e8 /drivers/net/ethernet/sfc/ef10.c
parent74bc3fe5f5fbb50d63fd002ce240cc7bca236db1 (diff)
parentf90ae1b62bedd8b57966a7be68855f2d43170db6 (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/ef10.c')
-rw-r--r--drivers/net/ethernet/sfc/ef10.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index a77f05ce8325..63ec209cdfd3 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1344,7 +1344,9 @@ static void efx_ef10_tx_write(struct efx_tx_queue *tx_queue)
unsigned int write_ptr;
efx_qword_t *txd;
- 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;