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 1cfba9b7cd6c01da5474d8b5acee00dad5eea534..bb3cc4096039cf1287b302d47be234b0e62fa14b 100644 (file)
--- 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