diff options
| author | Zhihao Cheng <chengzhihao1@huawei.com> | 2020-11-24 09:08:13 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-30 11:51:12 +0100 |
| commit | b0f1878c2d88ff91d4a934b6b0edd21b4ca2d3e6 (patch) | |
| tree | ee7c6d216202abb1ddf98f02f430fc0440f6287b /drivers | |
| parent | 46f8c79611689ab3695518da50255994f706ca07 (diff) | |
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: 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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -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 e3850f04f676..889a94af4c85 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -766,8 +766,10 @@ 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, |