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net: ethernet: ti: remove redundant NULL check.

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cpdma_chan_destroy() on a NULL pointer is a no-op, so the NULL check in
cpdma_ctlr_destroy() can safely be removed.

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cyril Roelandt 2013-02-12 12:52:30 +00:00 committed by David S. Miller
parent c9af6db4c1
commit 79876e0394
1 changed files with 2 additions and 4 deletions
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6
drivers/net/ethernet/ti/davinci_cpdma.c
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@ -460,10 +460,8 @@ int cpdma_ctlr_destroy(struct cpdma_ctlr *ctlr)
if (ctlr->state != CPDMA_STATE_IDLE)
cpdma_ctlr_stop(ctlr);
for (i = 0; i < ARRAY_SIZE(ctlr->channels); i++) {
if (ctlr->channels[i])
cpdma_chan_destroy(ctlr->channels[i]);
}
for (i = 0; i < ARRAY_SIZE(ctlr->channels); i++)
cpdma_chan_destroy(ctlr->channels[i]);
cpdma_desc_pool_destroy(ctlr->pool);
spin_unlock_irqrestore(&ctlr->lock, flags);