diff options
| author | Chengguang Xu <cgxu519@gmx.com> | 2019-02-15 20:27:14 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-02 17:49:58 +0200 |
| commit | d358b1733fc33d9f0261ce07c3d328787652245d (patch) | |
| tree | 90048cebe3005a478cba3392470bc26a1f6e0979 | |
| parent | 4b0be572603233b4240f6072f0bd35542d311ed8 (diff) | |
chardev: update comment based on the code
The function comment of __register_chrdev_region()
is out of date, so update it based on the code.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/char_dev.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/char_dev.c b/fs/char_dev.c index bd2bf1fd847e..d18cad28c1c3 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -88,13 +88,10 @@ static int find_dynamic_major(void) /* * Register a single major with a specified minor range. * - * If major == 0 this functions will dynamically allocate a major and return - * its number. - * - * If major > 0 this function will attempt to reserve the passed range of - * minors and will return zero on success. + * If major == 0 this function will dynamically allocate an unused major. + * If major > 0 this function will attempt to reserve the range of minors + * with given major. * - * Returns a -ve errno on failure. */ static struct char_device_struct * __register_chrdev_region(unsigned int major, unsigned int baseminor, |