memory: tegra: Delete dead debugfs checking code
The debugfs_create_dir() function does not return NULL, it returns error pointers. But in normal situations like this where the caller is not dereferencing "emc->debugfs.root" then we are not supposed to check the return. So instead of fixing these checks, we should delete them. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/YMCQDTSyG8UuQoh0@mwanda Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
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@ -1269,10 +1269,6 @@ static void emc_debugfs_init(struct device *dev, struct tegra_emc *emc)
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}
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emc->debugfs.root = debugfs_create_dir("emc", NULL);
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if (!emc->debugfs.root) {
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dev_err(dev, "failed to create debugfs directory\n");
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return;
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}
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debugfs_create_file("available_rates", 0444, emc->debugfs.root, emc,
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&tegra_emc_debug_available_rates_fops);
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@ -776,10 +776,6 @@ static void tegra_emc_debugfs_init(struct tegra_emc *emc)
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}
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emc->debugfs.root = debugfs_create_dir("emc", NULL);
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if (!emc->debugfs.root) {
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dev_err(emc->dev, "failed to create debugfs directory\n");
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return;
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}
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debugfs_create_file("available_rates", 0444, emc->debugfs.root,
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emc, &tegra_emc_debug_available_rates_fops);
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@ -1759,10 +1759,6 @@ static void tegra210_emc_debugfs_init(struct tegra210_emc *emc)
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}
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emc->debugfs.root = debugfs_create_dir("emc", NULL);
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if (!emc->debugfs.root) {
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dev_err(dev, "failed to create debugfs directory\n");
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return;
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}
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debugfs_create_file("available_rates", 0444, emc->debugfs.root, emc,
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&tegra210_emc_debug_available_rates_fops);
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@ -1354,10 +1354,6 @@ static void tegra_emc_debugfs_init(struct tegra_emc *emc)
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}
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emc->debugfs.root = debugfs_create_dir("emc", NULL);
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if (!emc->debugfs.root) {
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dev_err(emc->dev, "failed to create debugfs directory\n");
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return;
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}
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debugfs_create_file("available_rates", 0444, emc->debugfs.root,
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emc, &tegra_emc_debug_available_rates_fops);
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