[PATCH net-next 1/3] net: mvpp2: avoid checking for free aggregated descriptors twice

From: Antoine Tenart
Date: Thu May 17 2018 - 03:38:32 EST


From: Yan Markman <ymarkman@xxxxxxxxxxx>

Avoid repeating the check for free aggregated descriptors when it
already failed at the beginning of the function.

Signed-off-by: Yan Markman <ymarkman@xxxxxxxxxxx>
[Antoine: commit message]
Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxx>
---
drivers/net/ethernet/marvell/mvpp2.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index df59f0e0d33c..73b2f2d331c5 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -5488,11 +5488,10 @@ static int mvpp2_aggr_desc_num_check(struct mvpp2 *priv,
MVPP2_AGGR_TXQ_STATUS_REG(cpu));

aggr_txq->count = val & MVPP2_AGGR_TXQ_PENDING_MASK;
- }
-
- if ((aggr_txq->count + num) > MVPP2_AGGR_TXQ_SIZE)
- return -ENOMEM;

+ if ((aggr_txq->count + num) > MVPP2_AGGR_TXQ_SIZE)
+ return -ENOMEM;
+ }
return 0;
}

--
2.17.0