[PATCH] iommu/arm-smmu-v3: Fix a NULL vs IS_ERR() check

[Jason Gunthorpe]

On Thu, Aug 15, 2024 at 02:25:00PM +0300, Dan Carpenter wrote:
> The arm_smmu_domain_alloc() function returns error pointers on error.  It
> doesn't return NULL.  Update the error checking to match.
> 
> Fixes: 52acd7d8a413 ("iommu/arm-smmu-v3: Add support for domain_alloc_user fn")
> Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Yeah, looks like this was missed during a rebase

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason