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authorChengguang Xu <cgxu519@gmx.com>2019-02-15 20:27:14 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-02 17:49:58 +0200
commitd358b1733fc33d9f0261ce07c3d328787652245d (patch)
tree90048cebe3005a478cba3392470bc26a1f6e0979 /fs/char_dev.c
parent4b0be572603233b4240f6072f0bd35542d311ed8 (diff)
downloadlwn-d358b1733fc33d9f0261ce07c3d328787652245d.tar.gz
lwn-d358b1733fc33d9f0261ce07c3d328787652245d.zip
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The function comment of __register_chrdev_region() is out of date, so update it based on the code.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>
Diffstat (limited to 'fs/char_dev.c')
-rw-r--r--fs/char_dev.c9
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,