linux-kernel - [PATCH] net: ethernet: ti: remove redundant NULL check.

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Message-Id: <1360709550-821-1-git-send-email-tipecaml@gmail.com>
Date:	Tue, 12 Feb 2013 23:52:30 +0100
From:	Cyril Roelandt <tipecaml@...il.com>
To:	davem@...emloft.net
Cc:	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	mugunthanvnm@...com, zonque@...il.com, hotforest@...il.com,
	Julia.Lawall@...6.fr, netdev@...r.kernel.org,
	Cyril Roelandt <tipecaml@...il.com>
Subject: [PATCH] net: ethernet: ti: remove redundant NULL check.

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@...il.com>
---
 drivers/net/ethernet/ti/davinci_cpdma.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index f862918..1c4b0aa 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -449,10 +449,8 @@ 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);
-- 
1.7.10.4

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