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

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[ Upstream commit c95e6515a8c065862361f7e0e452978ade7f94ec ]

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>
This commit is contained in:
Zhihao Cheng 2020-11-24 09:08:13 +08:00 committed by Greg Kroah-Hartman
parent 0dee7fabab
commit 17fdb0eb50
1 changed files with 3 additions and 1 deletions
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4
drivers/dma/mv_xor_v2.c
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@ -771,8 +771,10 @@ 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,