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SubjectRe: [PATCH] vfio: check iommu_group_set_name() return value
On Sat, 25 Jun 2022 19:42:39 +0800
Liam Ni <zhiguangni01@gmail.com> wrote:

> 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(-)

Applied to vfio next branch for v5.20. Thanks,

Alex

>
> 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;

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