virExec: fix bug in setting up child stderr/out with /dev/null

diff --git a/src/util/util.c b/src/util/util.c
index 2d6485f07960a676ce29310dbd3b89f8b753861f..f2fe58a8488f908cd861b01260d87839f455b1d7 100644 (file)
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -463,7 +463,7 @@ __virExec(const char *const*argv,
     int childerr = -1;
     int tmpfd;
 
-    if ((null = open("/dev/null", O_RDONLY)) < 0) {
+    if ((null = open("/dev/null", O_RDWR)) < 0) {
         virReportSystemError(errno,
                              _("cannot open %s"),
                              "/dev/null");