Commit 6a76b1da authored Nov 24, 2020 by Zhihao Cheng Committed by Greg Kroah-Hartman Dec 30, 2020

dmaengine: mv_xor_v2: Fix error return code in mv_xor_v2_probe()



[ Upstream commit c95e6515a8c065862361f7e0e452978ade7f94ec ]

Return the corresponding error code when first_msi_entry() returns
NULL in mv_xor_v2_probe().

Fixes: 19a340b1 ("dmaengine: mv_xor_v2: new driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Link: https://lore.kernel.org/r/20201124010813.1939095-1-chengzhihao1@huawei.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent b62e01be

drivers/dma/mv_xor_v2.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -777,8 +777,10 @@ static int mv_xor_v2_probe(struct platform_device *pdev)
		goto disable_clk;

		msi_desc = first_msi_entry(&pdev->dev);
		if (!msi_desc)
		if (!msi_desc) {
		ret = -ENODEV;
		goto free_msi_irqs;
		}
		xor_dev->msi_desc = msi_desc;

		ret = devm_request_irq(&pdev->dev, msi_desc->irq,