[PATCH v3] iommu: remove redundant parameter check in tegra_smmu_debugfs_init()

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debugfs_create_file() will return early if smmu->debugfs is an error
  pointer, so an extra error check is not needed.

Signed-off-by: Minjie Du <duminjie@xxxxxxxx>
Acked-by: Thierry Reding <treding@xxxxxxxxxx>
---
 drivers/iommu/tegra-smmu.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 1cbf063cc..2137040b7 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1056,8 +1056,6 @@ DEFINE_SHOW_ATTRIBUTE(tegra_smmu_clients);
 static void tegra_smmu_debugfs_init(struct tegra_smmu *smmu)
 {
 	smmu->debugfs = debugfs_create_dir("smmu", NULL);
-	if (!smmu->debugfs)
-		return;
 
 	debugfs_create_file("swgroups", S_IRUGO, smmu->debugfs, smmu,
 			    &tegra_smmu_swgroups_fops);
-- 
2.39.0




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