Re: [PATCH] iommu: Don't print warning when IOMMU driver only supports unmanaged domains

[Joerg Roedel]

On Fri, Mar 22, 2019 at 05:04:26PM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@xxxxxxx>
> 
> Print the warning about the fall-back to IOMMU_DOMAIN_DMA in
> iommu_group_get_for_dev() only when such a domain was
> actually allocated.
> 
> Otherwise the user will get misleading warnings in the
> kernel log when the iommu driver used doesn't support
> IOMMU_DOMAIN_DMA and IOMMU_DOMAIN_IDENTITY.
> 
> Fixes: fccb4e3b8ab09 ('iommu: Allow default domain type to be set on the kernel command line')
> Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
> ---
>  drivers/iommu/iommu.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)

Applied.