The branch main has been updated by ygy (doc, ports committer):
URL:
https://cgit.FreeBSD.org/src/commit/?id=c5e0492ae81e4b0d7946ccfbedb434a9c4071256
commit c5e0492ae81e4b0d7946ccfbedb434a9c4071256
Author: Felix Johnson <felix.the....@gmail.com>
AuthorDate: 2021-11-11 06:28:45 +0000
Commit: Guangyuan Yang <y...@freebsd.org>
CommitDate: 2021-11-11 06:32:54 +0000
module(9): Document that evhand can be NULL
PR: 192250
MFC after: 3 days
Reported by: ngie
---
share/man/man9/module.9 | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/share/man/man9/module.9 b/share/man/man9/module.9
index 2ba7b3d6c621..5bd9a13c6925 100644
--- a/share/man/man9/module.9
+++ b/share/man/man9/module.9
@@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd February 12, 2018
+.Dd November 11, 2021
.Dt MODULE 9
.Os
.Sh NAME
@@ -42,6 +42,9 @@ The structure contains the name of the device, a unique ID
number,
a pointer to an event handler function and to an argument,
which is given to the event handler,
as well as some kernel internal data.
+If the event handler function is
+.Dv NULL ,
+the module will use a no-operation function handler instead.
.Pp
The
.Xr DECLARE_MODULE 9
