Messages in this thread Patch in this message | | | Subject | [PATCH] iommu/arm-smmu: Delete an unnecessary check before free_io_pgtable_ops() | From | SF Markus Elfring <> | Date | Fri, 6 Nov 2015 18:38:19 +0100 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Fri, 6 Nov 2015 18:32:41 +0100
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> --- drivers/iommu/arm-smmu.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 47dc7a7..1ce4b85 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -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); } -- 2.6.2
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