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net: mvpp2: avoid checking for free aggregated descriptors twice

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

Signed-off-by: Yan Markman <ymarkman@marvell.com>
[Antoine: commit message]
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yan Markman 2018-05-17 10:34:25 +02:00 committed by David S. Miller
parent 808e2fc3b0
commit 914365f1c9
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/marvell/mvpp2.c
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@ -5487,11 +5487,10 @@ 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;
}