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Subject[PATCH] vfio: check iommu_group_set_name() return value
Date
As iommu_group_set_name() can fail,we should check the return value.

Signed-off-by: Liam Ni <zhiguangni01@gmail.com>
---
drivers/vfio/vfio.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 61e71c1154be..ca823eeac237 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -504,7 +504,9 @@ static struct vfio_group *vfio_noiommu_group_alloc(struct device *dev,
if (IS_ERR(iommu_group))
return ERR_CAST(iommu_group);

- iommu_group_set_name(iommu_group, "vfio-noiommu");
+ ret = iommu_group_set_name(iommu_group, "vfio-noiommu");
+ if (ret)
+ goto out_put_group;
ret = iommu_group_add_device(iommu_group, dev);
if (ret)
goto out_put_group;
--
2.25.1
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