[PATCH v2 3/5] iommu/arm-smmu-v3-test: Add missing error checks for inv array

[Pranjal Shrivastava]

On Thu, Sep 24, 2026 at 08:56:14AM +0000, Mostafa Saleh wrote:
> arm_smmu_invs_merge() and arm_smmu_invs_alloc() can return NULL or
> errors which are checked by the driver but not the test.
> 
> Add KUNIT_ASSERT_NOT_ERR_OR_NULL() after calling them to fail the
> test instead of accessing NULL or ERR pointers.
> 
> Fixes: 15a2a5645ad7 ("iommu/arm-smmu-v3: Introduce a per-domain arm_smmu_invs array")
> Reported-by: Sashiko <>
> Signed-off-by: Mostafa Saleh <smostafa at google.com>

Reviewed-by: Pranjal Shrivastava <praan at google.com>

Thanks,
Praan