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authorGary S. Robertson <gary.robertson@linaro.org>2016-01-20 15:36:59 -0600
committerGary S. Robertson <gary.robertson@linaro.org>2016-01-20 15:36:59 -0600
commit370e05d463d66eaada3b4bb9266f019563920eb0 (patch)
tree348834a36436338eea1e9f17f1823cae213f92fc /drivers/net/ethernet/sfc/ef10.c
parentf93328edc6d139b9b1b5ed6944f7b80b8699cdf7 (diff)
parent906d9eadd3b6698fa6ceb9bcdf41da6aa56d0a24 (diff)
Merge tag 'lsk-v4.1-15.12-rt' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1-rtlinux-lng-preempt-rt-4.1.14-2016.03linux-lng-preempt-rt-4.1.14-2016.02linux-lng-preempt-rt-4.1.14-2016.01linux-linaro-lng-v4.1-rt
LSK RT 15.12 v4.1 Conflicts: linaro/configs/linaro-base.conf linaro/configs/preempt-rt.conf linaro/configs/vexpress64.conf
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 fbb6cfa0f5f1..feca46efa12f 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;