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debugfs: Correct the 'debugfs_create_str' docs

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The documentation of the 'debugfs_create_str' says that the function
returns a pointer to a dentry created, or an ERR_PTR in case of error.
Actually, this is not true: this function doesn't return anything at all.
Correct the documentation correspondingly.

Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230514172353.52878-1-ivan.orlov0322@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ivan Orlov 2023-05-14 21:23:53 +04:00 committed by Greg Kroah-Hartman
parent 9e6aa7c22d
commit 266bff7345
1 changed files with 0 additions and 9 deletions
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9
fs/debugfs/file.c
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@ -940,15 +940,6 @@ static const struct file_operations fops_str_wo = {
* This function creates a file in debugfs with the given name that
* contains the value of the variable @value. If the @mode variable is so
* set, it can be read from, and written to.
*
* This function will return a pointer to a dentry if it succeeds. This
* pointer must be passed to the debugfs_remove() function when the file is
* to be removed (no automatic cleanup happens if your module is unloaded,
* you are responsible here.) If an error occurs, ERR_PTR(-ERROR) will be
* returned.
*
* If debugfs is not enabled in the kernel, the value ERR_PTR(-ENODEV) will
* be returned.
*/
void debugfs_create_str(const char *name, umode_t mode,
struct dentry *parent, char **value)