Linux-mediatek Archive on lore.kernel.org
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From: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
To: herbert@gondor.apana.org.au, davem@davemloft.net,
	matthias.bgg@gmail.com, swboyd@chromium.org,
	yuehaibing@huawei.com, tianjia.zhang@linux.alibaba.com,
	ryder.lee@mediatek.com
Cc: tianjia.zhang@alibaba.com, linux-mediatek@lists.infradead.org,
	linux-crypto@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] crypto: mediatek - Fix wrong return value in mtk_desc_ring_alloc()
Date: Sun,  2 Aug 2020 19:15:32 +0800
Message-ID: <20200802111532.5110-1-tianjia.zhang@linux.alibaba.com> (raw)

In case of memory allocation failure, a negative error code should
be returned.

Fixes: 785e5c616c849 ("crypto: mediatek - Add crypto driver support for some MediaTek chips")
Cc: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
---
 drivers/crypto/mediatek/mtk-platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/mediatek/mtk-platform.c b/drivers/crypto/mediatek/mtk-platform.c
index 7e3ad085b5bd..ef4339e84d03 100644
--- a/drivers/crypto/mediatek/mtk-platform.c
+++ b/drivers/crypto/mediatek/mtk-platform.c
@@ -442,7 +442,7 @@ static void mtk_desc_dma_free(struct mtk_cryp *cryp)
 static int mtk_desc_ring_alloc(struct mtk_cryp *cryp)
 {
 	struct mtk_ring **ring = cryp->ring;
-	int i, err = ENOMEM;
+	int i;
 
 	for (i = 0; i < MTK_RING_MAX; i++) {
 		ring[i] = kzalloc(sizeof(**ring), GFP_KERNEL);
@@ -476,7 +476,7 @@ static int mtk_desc_ring_alloc(struct mtk_cryp *cryp)
 				  ring[i]->cmd_base, ring[i]->cmd_dma);
 		kfree(ring[i]);
 	}
-	return err;
+	return -ENOMEM;
 }
 
 static int mtk_crypto_probe(struct platform_device *pdev)
-- 
2.26.2


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