linux-kernel - [PATCH] dmaengine: ppc4xx: remove unused variable `rval'

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Message-Id: <20211114060856.239314-1-wangborong@cdjrlc.com>
Date:   Sun, 14 Nov 2021 14:08:56 +0800
From:   Jason Wang <wangborong@...rlc.com>
To:     vkoul@...nel.org
Cc:     salah.triki@...il.com, wangborong@...rlc.com,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dmaengine: ppc4xx: remove unused variable `rval'

The variable used for returning status in
`ppc440spe_adma_dma2rxor_prep_src' function is never changed
and this function just need to return 0. Thus, the `rval' can
be removed and return 0 from `ppc440spe_adma_dma2rxor_prep_src'.

Signed-off-by: Jason Wang <wangborong@...rlc.com>
---
 drivers/dma/ppc4xx/adma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index e2b5129c5f84..5e46e347e28b 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -3240,7 +3240,6 @@ static int ppc440spe_adma_dma2rxor_prep_src(
 		struct ppc440spe_rxor *cursor, int index,
 		int src_cnt, u32 addr)
 {
-	int rval = 0;
 	u32 sign;
 	struct ppc440spe_adma_desc_slot *desc = hdesc;
 	int i;
@@ -3348,7 +3347,7 @@ static int ppc440spe_adma_dma2rxor_prep_src(
 		break;
 	}
 
-	return rval;
+	return 0;
 }
 
 /**
-- 
2.33.0