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authorRalf Baechle <ralf@linux-mips.org>2013-05-08 01:27:46 +0200
committerRalf Baechle <ralf@linux-mips.org>2013-05-08 01:27:46 +0200
commit9b3539e0e545e4c2f338acfc1ce52033a6f5e7f7 (patch)
tree5c56e4a208dbe7e985e59911e1a421a7c1ee024c /drivers/net/ethernet/sfc/nic.c
parent3d39019a1655d195a60a86ebf38f9da30bd83d03 (diff)
parent1cd1c049271233deccfcc75123afa7f39a607f5a (diff)
Merge branch 'mips-next-3.10' of git://git.linux-mips.org/pub/scm/john/linux-john into mips-for-linux-next
Diffstat (limited to 'drivers/net/ethernet/sfc/nic.c')
-rw-r--r--drivers/net/ethernet/sfc/nic.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c
index 0ad790cc473c..eaa8e874a3cb 100644
--- a/drivers/net/ethernet/sfc/nic.c
+++ b/drivers/net/ethernet/sfc/nic.c
@@ -376,7 +376,8 @@ efx_may_push_tx_desc(struct efx_tx_queue *tx_queue, unsigned int write_count)
return false;
tx_queue->empty_read_count = 0;
- return ((empty_read_count ^ write_count) & ~EFX_EMPTY_COUNT_VALID) == 0;
+ return ((empty_read_count ^ write_count) & ~EFX_EMPTY_COUNT_VALID) == 0
+ && tx_queue->write_count - write_count == 1;
}
/* For each entry inserted into the software descriptor ring, create a