diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-01 12:01:10 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-01 12:01:10 -0700 |
commit | ef99f3aee9641d10a7c80d4803d2f0f004c797ca (patch) | |
tree | 83f14ccef66db48fc4178bd8b973462006de86b8 /drivers/net/ethernet/sfc/nic.c | |
parent | cb06ff102e2d79a82cf780aa5e6947b2e0529ac0 (diff) | |
parent | 07961ac7c0ee8b546658717034fe692fd12eefa9 (diff) |
Merge 3.9-rc5 into tty-next
We need the fixes here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/sfc/nic.c')
-rw-r--r-- | drivers/net/ethernet/sfc/nic.c | 3 |
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 |