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iommu/tegra: smmu: Cleanup with lesser nest

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Small clean up with lesser nest for readability.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Hiroshi Doyu 2012-07-30 08:39:18 +03:00 committed by Joerg Roedel
parent ba1eabfade
commit d2453b2c78
1 changed files with 8 additions and 5 deletions
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13
drivers/iommu/tegra-smmu.c
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@ -814,11 +814,14 @@ static int smmu_iommu_domain_init(struct iommu_domain *domain)
/* Look for a free AS with lock held */
for (i = 0; i < smmu->num_as; i++) {
as = &smmu->as[i];
if (!as->pdir_page) {
err = alloc_pdir(as);
if (!err)
goto found;
}
if (as->pdir_page)
continue;
err = alloc_pdir(as);
if (!err)
goto found;
if (err != -EAGAIN)
break;
}