Messages in this thread Patch in this message | | | From | Yang Yingliang <> | Subject | [PATCH v2] iommu: return error code when it can't get group | Date | Thu, 26 Nov 2020 21:38:25 +0800 |
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It's better to return error code if it can't get group in iommu_probe_device(). It's no function change.
Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/iommu/iommu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index b53446bb8c6b..6f4a32df90f6 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -253,8 +253,10 @@ int iommu_probe_device(struct device *dev) goto err_out; group = iommu_group_get(dev); - if (!group) + if (!group) { + ret = -ENODEV; goto err_release; + } /* * Try to allocate a default domain - needs support from the -- 2.25.1
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