Update device_find_child(9) to return the first matching child if unit

is set to -1.

Reviewed by:	dfr, imp

1 files changed, 10 insertions, 3 deletions

diff --git a/share/man/man9/device_find_child.9 b/share/man/man9/device_find_child.9
index 4dd6a2cb5d2a..35b6c6c60c69 100644
--- a/share/man/man9/device_find_child.9
+++ b/share/man/man9/device_find_child.9
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 16, 1998
+.Dd February 8, 2005
 .Dt DEVICE_FIND_CHILD 9
 .Os
 .Sh NAME
@@ -38,14 +38,21 @@
 .In sys/param.h
 .In sys/bus.h
 .Ft device_t
-.Fn device_find_child "device_t dev" "const char* name" "int unit"
+.Fn device_find_child "device_t dev" "const char *classname" "int unit"
 .Sh DESCRIPTION
 This function looks for a specific child of
 .Dv dev .
 with the given
-.Fa name
+.Fa classname
 and
 .Fa unit .
+If
+.Fa unit
+is -1, it returns the first child of
+.Dv dev
+with a matching
+.Fa classname
+(that is, the one with the lowest unit.)
 .Sh RETURN VALUES
 If it exists, the child device is returned, otherwise NULL.
 .Sh SEE ALSO