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iommu/arm-smmu: Delete an unnecessary check before free_io_pgtable_ops()

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The free_io_pgtable_ops() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Markus Elfring 2015-11-06 18:32:41 +01:00 • committed by Will Deacon
commit 44830b0cbd
1 changed files with 1 additions and 3 deletions
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4
drivers/iommu/arm-smmu.c
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@ -945,9 +945,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain)
free_irq(irq, domain);
}
if (smmu_domain->pgtbl_ops)
free_io_pgtable_ops(smmu_domain->pgtbl_ops);
free_io_pgtable_ops(smmu_domain->pgtbl_ops);
__arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx);
}