util: virNetDevTapCreate: initialize fd to -1

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: 95089f481e003d971fe0a082018216c58c1b80e5

diff --git a/src/util/virnetdevtap.c b/src/util/virnetdevtap.c
index ab5959c646ef6809b135245f6c277030d65061d3..cbce5c71b78ed2a9d3b31fe6070a692e277bbb3c 100644 (file)
--- a/src/util/virnetdevtap.c
+++ b/src/util/virnetdevtap.c
@@ -322,7 +322,7 @@ int virNetDevTapCreate(char **ifname,
     size_t i = 0;
     struct ifreq ifr;
     int ret = -1;
-    int fd = 0;
+    int fd = -1;
 
     virMutexLock(&virNetDevTapCreateMutex);