iommu/amd: Remove redundant NULL check before dma_ops_domain_free().
iommu/amd: Remove redundant NULL check before dma_ops_domain_free().

dma_ops_domain_free on a NULL pointer is a no-op, so the NULL check in
amd_iommu_init_dma_ops() can be removed.

Signed-off-by: Cyril Roelandt <73ab1f8ebf7a7cfe55f85ed775611eefab6987ae@gmail.com>
Signed-off-by: Joerg Roedel <4688a6871ff025801033b3c4b039d55a29f8f937@8bytes.org>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs