The debugfs_create_dir() function never returns NULL and anyway the correct behavior is to ignore errors in this situation. The debugfs_create_file() will become a no-op if "emc->debugfs.root" is an error pointer. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/memory/tegra/tegra186-emc.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/memory/tegra/tegra186-emc.c b/drivers/memory/tegra/tegra186-emc.c index 97f26bc77ad41..7c904e9bba8e8 100644 --- a/drivers/memory/tegra/tegra186-emc.c +++ b/drivers/memory/tegra/tegra186-emc.c @@ -241,11 +241,6 @@ static int tegra186_emc_probe(struct platform_device *pdev) } emc->debugfs.root = debugfs_create_dir("emc", NULL); - if (!emc->debugfs.root) { - dev_err(&pdev->dev, "failed to create debugfs directory\n"); - return 0; - } - debugfs_create_file("available_rates", S_IRUGO, emc->debugfs.root, emc, &tegra186_emc_debug_available_rates_fops); debugfs_create_file("min_rate", S_IRUGO | S_IWUSR, emc->debugfs.root, -- 2.26.2