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authorArnd Bergmann <arnd@arndb.de>2013-04-09 15:57:27 +0200
committerArnd Bergmann <arnd@arndb.de>2013-04-09 16:02:14 +0200
commit71f6424023cb9fa381efc7237ca05926b2b1ca9a (patch)
tree6c3c4a2110d0ff3d73c4bacaddb23b9295663695 /drivers/net/ethernet/sfc/nic.c
parent9bc128e16bb82c046d6972171de572affc5c4cbf (diff)
parente933a1a12a02f42e0013cda87bba37ccb59efc47 (diff)
Merge branch 'mxs/cleanup' into next/multiplatform
This is a dependency for mxs/multiplatform Signed-off-by: Arnd Bergmann <arnd@arndb.de> Conflicts: drivers/clocksource/Makefile
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