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debugfs: remove return value of debugfs_create_devm_seqfile()

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No one checks the return value of debugfs_create_devm_seqfile(), as it's
not needed, so make the return value void, so that no one tries to do so
in the future.

Link: https://lore.kernel.org/r/20201023131037.2500765-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2020-10-23 15:10:37 +02:00
parent 3650b228f8
commit 0d519cbf38
3 changed files with 16 additions and 19 deletions
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15
fs/debugfs/file.c
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@@ -1127,24 +1127,23 @@ static const struct file_operations debugfs_devm_entry_ops = {
* file will be created in the root of the debugfs filesystem.
* @read_fn: function pointer called to print the seq_file content.
*/
struct dentry *debugfs_create_devm_seqfile(struct device *dev, const char *name,
struct dentry *parent,
int (*read_fn)(struct seq_file *s,
void *data))
void debugfs_create_devm_seqfile(struct device *dev, const char *name,
struct dentry *parent,
int (*read_fn)(struct seq_file *s, void *data))
{
struct debugfs_devm_entry *entry;
if (IS_ERR(parent))
return ERR_PTR(-ENOENT);
return;
entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);
if (!entry)
return ERR_PTR(-ENOMEM);
return;
entry->read = read_fn;
entry->dev = dev;
return debugfs_create_file(name, S_IRUGO, parent, entry,
&debugfs_devm_entry_ops);
debugfs_create_file(name, S_IRUGO, parent, entry,
&debugfs_devm_entry_ops);
}
EXPORT_SYMBOL_GPL(debugfs_create_devm_seqfile);