linux-kernel - [PATCH] dmaengine: mediatek: Return the correct errno code

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Message-Id: <20210617133229.1497-1-angkery@163.com>
Date:   Thu, 17 Jun 2021 21:32:29 +0800
From:   angkery <angkery@....com>
To:     sean.wang@...iatek.com, vkoul@...nel.org, matthias.bgg@...il.com
Cc:     dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Junlin Yang <yangjunlin@...ong.com>
Subject: [PATCH] dmaengine: mediatek: Return the correct errno code

From: Junlin Yang <yangjunlin@...ong.com>

When devm_kzalloc failed, should return ENOMEM rather than ENODEV.

Signed-off-by: Junlin Yang <yangjunlin@...ong.com>
---
 drivers/dma/mediatek/mtk-uart-apdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c
index 375e7e6..a4cb30f 100644
--- a/drivers/dma/mediatek/mtk-uart-apdma.c
+++ b/drivers/dma/mediatek/mtk-uart-apdma.c
@@ -529,7 +529,7 @@ static int mtk_uart_apdma_probe(struct platform_device *pdev)
 	for (i = 0; i < mtkd->dma_requests; i++) {
 		c = devm_kzalloc(mtkd->ddev.dev, sizeof(*c), GFP_KERNEL);
 		if (!c) {
-			rc = -ENODEV;
+			rc = -ENOMEM;
 			goto err_no_dma;
 		}
 
-- 
1.9.1