dmaengine: mv_xor_v2: Fix error return code in mv_xor_v2_probe()
[ Upstream commit5.4-rM2-2.2.x-imx-squashedc95e6515a8
] Return the corresponding error code when first_msi_entry() returns NULL in mv_xor_v2_probe(). Fixes:19a340b1a8
("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
46f8c79611
commit
b0f1878c2d
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@ -766,8 +766,10 @@ static int mv_xor_v2_probe(struct platform_device *pdev)
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goto disable_clk;
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msi_desc = first_msi_entry(&pdev->dev);
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if (!msi_desc)
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if (!msi_desc) {
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ret = -ENODEV;
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goto free_msi_irqs;
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}
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xor_dev->msi_desc = msi_desc;
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ret = devm_request_irq(&pdev->dev, msi_desc->irq,
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