linux-kernel - [PATCH 03/13] dmaengine: mxs-dma: Fix missing return value from of_dma_controller

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Message-Id: <20260114-mxsdma-module-v1-3-9b2a9eaa4226@nxp.com>
Date: Wed, 14 Jan 2026 17:33:15 -0500
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, 
 Vinod Koul <vkoul@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: dmaengine@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, Shawn Guo <shawn.guo@...escale.com>, 
 Frank Li <Frank.Li@....com>
Subject: [PATCH 03/13] dmaengine: mxs-dma: Fix missing return value from
 of_dma_controller_register()

Propagate the return value of of_dma_controller_register() in probe()
instead of ignoring it.

Fixes: a580b8c5429a6 ("dmaengine: mxs-dma: add dma support for i.MX23/28")
Signed-off-by: Frank Li <Frank.Li@....com>
---
 drivers/dma/mxs-dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index c7e535c91469f0d819d6fe7465725736dc6128d8..dbc8747de591cc83e39ef873633418f41b5ea982 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -825,6 +825,7 @@ static int mxs_dma_probe(struct platform_device *pdev)
 	if (ret) {
 		dev_err(dev,
 			"failed to register controller\n");
+		return ret;
 	}
 
 	dev_info(mxs_dma->dma_device.dev, "initialized\n");

-- 
2.34.1