iommu/arm-smmu: Delete an unnecessary check before the function call "free_io_pgtable_ops"
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>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index f141301..8e9ec81 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1389,8 +1389,7 @@
struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
struct arm_smmu_device *smmu = smmu_domain->smmu;
- if (smmu_domain->pgtbl_ops)
- free_io_pgtable_ops(smmu_domain->pgtbl_ops);
+ free_io_pgtable_ops(smmu_domain->pgtbl_ops);
/* Free the CD and ASID, if we allocated them */
if (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) {