net: initialize vnet_hdr in net_init_tap()

net_tap_init() always sets vnet_hdr using qemu_opt_get_bool(), but
initialize it in net_init_tap() just to reduce confusion.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/net/tap.c b/net/tap.c
index a327a9a..0d8b424 100644 (file)
--- a/net/tap.c
+++ b/net/tap.c
@@ -378,7 +378,7 @@ static int net_tap_init(QemuOpts *opts, int *vnet_hdr)
 int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan)
 {
     TAPState *s;
-    int fd, vnet_hdr;
+    int fd, vnet_hdr = 0;
 
     if (qemu_opt_get(opts, "fd")) {
         if (qemu_opt_get(opts, "ifname") ||