Re: [PATCH v3] iommu/io-pgtable-arm-v7s: Add error handle for page table allocation failure

[Will Deacon]

On Tue, 7 Dec 2021 19:33:15 +0800, yf.wang@xxxxxxxxxxxx wrote:
> From: Yunfei Wang <yf.wang@xxxxxxxxxxxx>
> 
> In __arm_v7s_alloc_table function:
> iommu call kmem_cache_alloc to allocate page table, this function
> allocate memory may fail, when kmem_cache_alloc fails to allocate
> table, call virt_to_phys will be abnomal and return unexpected phys
> and goto out_free, then call kmem_cache_free to release table will
> trigger KE, __get_free_pages and free_pages have similar problem,
> so add error handle for page table allocation failure.
> 
> [...]

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/1] iommu/io-pgtable-arm-v7s: Add error handle for page table allocation failure
      https://git.kernel.org/will/c/a556cfe4cabc

Cheers,
-- 
Will

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