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| author | Zhihao Cheng <chengzhihao1@huawei.com> | 2020-11-24 09:08:13 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-11-24 22:55:15 +0530 |
| commit | c95e6515a8c065862361f7e0e452978ade7f94ec (patch) | |
| tree | ae48059cc10871b932ee5911fc45505cf1a92d08 | |
| parent | 0ab785c894e618587e83bb67e8a8e96649868ad1 (diff) | |
| download | linux-c95e6515a8c065862361f7e0e452978ade7f94ec.tar.gz linux-c95e6515a8c065862361f7e0e452978ade7f94ec.tar.bz2 linux-c95e6515a8c065862361f7e0e452978ade7f94ec.zip | |
dmaengine: mv_xor_v2: Fix error return code in mv_xor_v2_probe()
Return the corresponding error code when first_msi_entry() returns
NULL in mv_xor_v2_probe().
Fixes: 19a340b1a820430 ("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>
| -rw-r--r-- | drivers/dma/mv_xor_v2.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index 2753a6b916f6..9b0d463f89bb 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -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, |