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authorMarkus Elfring <elfring@users.sourceforge.net>2015-06-29 18:47:43 +0200
committerJoerg Roedel <jroedel@suse.de>2015-06-29 21:57:32 +0200
commita6e08fb2d2f9eb38f52e6f2425a38f1cb9794742 (patch)
tree9a2c7860b0eabd0e31e410aa04ff202eb012c474 /drivers/iommu/arm-smmu-v3.c
parentiommu/arm-smmu: Fix broken ATOS check (diff)
downloadlinux-a6e08fb2d2f9eb38f52e6f2425a38f1cb9794742.tar.xz
linux-a6e08fb2d2f9eb38f52e6f2425a38f1cb9794742.zip
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>
Diffstat (limited to '')
-rw-r--r--drivers/iommu/arm-smmu-v3.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index f14130121298..8e9ec81ce4bb 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1389,8 +1389,7 @@ static void arm_smmu_domain_free(struct iommu_domain *domain)
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) {