From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 29 Dec 2021 15:26:48 +0000 (+0000)
Subject: overlord: Explicitly ignore unwanted value from write
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=4fe2a797f8f6cf9a2e0f9ec4f476327f7e319212;p=userv.git

overlord: Explicitly ignore unwanted value from write

Ignoring an error here is consistent with the error handling from the
pevious write(sf,...).

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/overlord.c b/overlord.c
index 1cfba9b..bb3cc40 100644
--- a/overlord.c
+++ b/overlord.c
@@ -249,7 +249,8 @@ static void NONRETURNING docheck(int needwanted) {
   r= write(sfd,&request_mbuf,sizeof(request_mbuf));
   if (r==sizeof(request_mbuf)) {
     endmagic= REQUEST_END_MAGIC;
-    write(sfd,&endmagic,sizeof(endmagic));
+    r= write(sfd,&endmagic,sizeof(endmagic));
+    (void)r;
   }
   syslog(LOG_NOTICE,"uservd[%ld] is running",(long)overlordpid);
 #endif