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SubjectRe: [PATCH next] iommu: intel: don't dereference iommu_device if IOMMU_API is not built
On Tue, Oct 13, 2020 at 09:30:55AM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>
> Since commit c40aaaac1018 ("iommu/vt-d: Gracefully handle DMAR units
> with no supported address widths") dmar.c needs struct iommu_device to
> be selected. We can drop this dependency by not dereferencing struct
> iommu_device if IOMMU_API is not selected and by reusing the information
> stored in iommu->drhd->ignored instead.
>
> This fixes the following build error when IOMMU_API is not selected:
>
> drivers/iommu/intel/dmar.c: In function ‘free_iommu’:
> drivers/iommu/intel/dmar.c:1139:41: error: ‘struct iommu_device’ has no member named ‘ops’
> 1139 | if (intel_iommu_enabled && iommu->iommu.ops) {
> ^
>
> Fixes: c40aaaac1018 ("iommu/vt-d: Gracefully handle DMAR units with no supported address widths")
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> ---
> drivers/iommu/intel/dmar.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

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