linux-kernel - [PATCH] dmaengine: remove redundant null check on req

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Message-Id: <20170517133549.7157-1-colin.king@canonical.com>
Date:   Wed, 17 May 2017 14:35:49 +0100
From:   Colin King <colin.king@...onical.com>
To:     Anup Patel <anup.patel@...adcom.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vinod.koul@...el.com>, dmaengine@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dmaengine: remove redundant null check on req

From: Colin Ian King <colin.king@...onical.com>

Req is never null on at the point of the null check, so
remove this redundant check and just return &req->tx.

Detected by CoverityScan, CID#1436147 ("Logically dead code")

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/dma/bcm-sba-raid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c
index 7daa883eeded..8246c26eabe5 100644
--- a/drivers/dma/bcm-sba-raid.c
+++ b/drivers/dma/bcm-sba-raid.c
@@ -582,7 +582,7 @@ sba_prep_dma_interrupt(struct dma_chan *dchan, unsigned long flags)
 	req->tx.flags = flags;
 	req->tx.cookie = -EBUSY;
 
-	return (req) ? &req->tx : NULL;
+	return &req->tx;
 }
 
 static void sba_fillup_memcpy_msg(struct sba_request *req,
-- 
2.11.0