git: 9cb9ecafac37 - stable/13 - libc/net/nscachedcli.c: remove write-only variables

The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=9cb9ecafac3770b574f8cbc86cd349b04db47a7d

commit 9cb9ecafac3770b574f8cbc86cd349b04db47a7d
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2021-11-28 03:57:12 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2021-12-06 00:23:44 +0000

    libc/net/nscachedcli.c: remove write-only variables
    
    (cherry picked from commit 0e00befcaf6614c513fb32485ea9a2b188169bc2)
---
 lib/libc/net/nscachedcli.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/libc/net/nscachedcli.c b/lib/libc/net/nscachedcli.c
index 53f69dda7fbb..2acc12af2d1e 100644
--- a/lib/libc/net/nscachedcli.c
+++ b/lib/libc/net/nscachedcli.c
@@ -153,7 +153,6 @@ send_credentials(struct cached_connection_ *connection, int type)
 	struct kevent eventlist;
 	int nevents;
 	ssize_t result;
-	int res;
 
 	memset(&cmsg, 0, sizeof(cmsg));
 	cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(struct cmsgcred));
@@ -171,7 +170,7 @@ send_credentials(struct cached_connection_ *connection, int type)
 
 	EV_SET(&eventlist, connection->sockfd, EVFILT_WRITE, EV_ADD,
 	    NOTE_LOWAT, sizeof(int), NULL);
-	res = _kevent(connection->write_queue, &eventlist, 1, NULL, 0, NULL);
+	(void)_kevent(connection->write_queue, &eventlist, 1, NULL, 0, NULL);
 
 	nevents = _kevent(connection->write_queue, NULL, 0, &eventlist, 1,
 	    NULL);
@@ -474,10 +473,9 @@ int
 __close_cached_mp_write_session(struct cached_connection_ *ws)
 {
 	int notification;
-	int result;
 
 	notification = CET_MP_WRITE_SESSION_CLOSE_NOTIFICATION;
-	result = safe_write(ws, &notification, sizeof(int));
+	(void)safe_write(ws, &notification, sizeof(int));
 	__close_cached_connection(ws);
 	return (0);
 }