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https://github.com/torvalds/linux
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352bce2ee1
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Haren Myneni <haren@us.ibm.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20190612153440.GA21006@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __842_DEBUGFS_H__
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#define __842_DEBUGFS_H__
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#include <linux/debugfs.h>
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static bool sw842_template_counts;
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module_param_named(template_counts, sw842_template_counts, bool, 0444);
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static atomic_t template_count[OPS_MAX], template_repeat_count,
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template_zeros_count, template_short_data_count, template_end_count;
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static struct dentry *sw842_debugfs_root;
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static int __init sw842_debugfs_create(void)
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{
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umode_t m = S_IRUGO | S_IWUSR;
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int i;
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if (!debugfs_initialized())
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return -ENODEV;
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sw842_debugfs_root = debugfs_create_dir(MODULE_NAME, NULL);
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for (i = 0; i < ARRAY_SIZE(template_count); i++) {
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char name[32];
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snprintf(name, 32, "template_%02x", i);
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debugfs_create_atomic_t(name, m, sw842_debugfs_root,
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&template_count[i]);
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}
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debugfs_create_atomic_t("template_repeat", m, sw842_debugfs_root,
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&template_repeat_count);
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debugfs_create_atomic_t("template_zeros", m, sw842_debugfs_root,
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&template_zeros_count);
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debugfs_create_atomic_t("template_short_data", m, sw842_debugfs_root,
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&template_short_data_count);
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debugfs_create_atomic_t("template_end", m, sw842_debugfs_root,
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&template_end_count);
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return 0;
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}
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static void __exit sw842_debugfs_remove(void)
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{
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debugfs_remove_recursive(sw842_debugfs_root);
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}
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#endif
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