git: f187bd281e52 - stable/13 - refcount.9: Update refcount_acquire(9) description after a67d540832b8

The branch stable/13 has been updated by khng:

URL: https://cgit.FreeBSD.org/src/commit/?id=f187bd281e52a71e0fe0a6bf963d93ff950fcf7a

commit f187bd281e52a71e0fe0a6bf963d93ff950fcf7a
Author:     Ka Ho Ng <khng@FreeBSD.org>
AuthorDate: 2022-10-12 17:47:59 +0000
Commit:     Ka Ho Ng <khng@FreeBSD.org>
CommitDate: 2022-10-21 06:13:25 +0000

    refcount.9: Update refcount_acquire(9) description after a67d540832b8
    
    MFC after:      3 days
    Sponsored by:   Juniper Networks, Inc.
    Reviewed by:    kib, markj
    Differential Revision:  https://reviews.freebsd.org/D36943
    
    (cherry picked from commit 87fa64c569c54c2ec444ada699acde2ada696d97)
---
 share/man/man9/refcount.9 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/share/man/man9/refcount.9 b/share/man/man9/refcount.9
index 9171062a70b6..0b5a26d6e3cd 100644
--- a/share/man/man9/refcount.9
+++ b/share/man/man9/refcount.9
@@ -32,7 +32,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 2, 2020
+.Dd October 12, 2022
 .Dt REFCOUNT 9
 .Os
 .Sh NAME
@@ -48,7 +48,7 @@
 .Fn refcount_init "volatile u_int *count" "u_int value"
 .Ft u_int
 .Fn refcount_load "volatile u_int *count"
-.Ft void
+.Ft u_int
 .Fn refcount_acquire "volatile u_int *count"
 .Ft bool
 .Fn refcount_acquire_checked "volatile u_int *count"
@@ -91,6 +91,7 @@ qualifier.
 The
 .Fn refcount_acquire
 function is used to acquire a new reference.
+It returns the counter value before the new reference was acquired.
 The caller is responsible for ensuring that it holds a valid reference
 while obtaining a new reference.
 For example,