diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2015-06-29 17:47:43 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-06-29 21:57:32 +0200 |
| commit | a6e08fb2d2f9eb38f52e6f2425a38f1cb9794742 (patch) | |
| tree | 9a2c7860b0eabd0e31e410aa04ff202eb012c474 /drivers/iommu | |
| parent | d38f0ff9ab35414644995bae187d015c31aae19c (diff) | |
| download | linux-a6e08fb2d2f9eb38f52e6f2425a38f1cb9794742.tar.bz2 | |
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 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/arm-smmu-v3.c | 3 |
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) { |