X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fidmapd%2Fidmapd.c;h=1231db4045dab5023dfc3504c3111ce44aef6eab;hp=158feaf66c11627beb931ab253d7c56cb9722c6b;hb=2e075a16da4963f54cd556403ca9e15a68de27fd;hpb=ff42180930a444cea7f19e55e2cd2bfe6d3f108b

diff --git a/utils/idmapd/idmapd.c b/utils/idmapd/idmapd.c
index 158feaf..1231db4 100644
--- a/utils/idmapd/idmapd.c
+++ b/utils/idmapd/idmapd.c
@@ -1003,9 +1003,11 @@ mydaemon(int nochdir, int noclose)
 
 	if (noclose == 0) {
 		tempfd = open("/dev/null", O_RDWR);
-		dup2(tempfd, 0);
-		dup2(tempfd, 1);
-		dup2(tempfd, 2);
+		if (tempfd >= 0) {
+			dup2(tempfd, 0);
+			dup2(tempfd, 1);
+			dup2(tempfd, 2);
+		}
 		closeall(3);
 	}