linux-kernel - [PATCH 04/24] ste_dma40: Move an assignment in d40_lcla

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Date:   Sat, 17 Sep 2016 17:10:32 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Dan Williams <dan.j.williams@...el.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Vinod Koul <vinod.koul@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 04/24] ste_dma40: Move an assignment in d40_lcla_allocate()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 17 Sep 2016 08:24:46 +0200

Move one assignment for the local variable "ret" so that its setting
will only be performed after corresponding data processing succeeded
by this function.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/dma/ste_dma40.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 76d63b6..220129e 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3402,7 +3402,7 @@ static int __init d40_lcla_allocate(struct d40_base *base)
 	struct d40_lcla_pool *pool = &base->lcla_pool;
 	unsigned long *page_list;
 	int i, j;
-	int ret = 0;
+	int ret;
 
 	/*
 	 * This is somewhat ugly. We need 8192 bytes that are 18 bit aligned,
@@ -3474,6 +3474,7 @@ static int __init d40_lcla_allocate(struct d40_base *base)
 
 	writel(virt_to_phys(base->lcla_pool.base),
 	       base->virtbase + D40_DREG_LCLA);
+	ret = 0;
  free_page_list:
 	kfree(page_list);
 	return ret;
-- 
2.10.0