Messages in this thread Patch in this message | | | From | Dario Binacchi <> | Subject | [PATCH] iommu/tegra-smmu: fix error checking for debugfs_create_dir() | Date | Wed, 25 Oct 2023 13:01:31 +0200 |
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The return value of debugfs_create_dir() should be checked using the IS_ERR() function.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> ---
drivers/iommu/tegra-smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index e445f80d0226..cd1d80c4c673 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -1056,7 +1056,7 @@ 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) + if (IS_ERR(smmu->debugfs)) return; debugfs_create_file("swgroups", S_IRUGO, smmu->debugfs, smmu, -- 2.42.0
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