[PATCH] vfio: check iommu_group_set_name() return value

[Liam Ni]

As iommu_group_set_name() can fail,we should check the return value.

Signed-off-by: Liam Ni <zhiguangni01@xxxxxxxxx>
---
 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