ifname arg fix

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2312 c046a42c-6fe2-441c-8c8c-71466251a162

ifname arg fix
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2312 c046a42c-6fe2-441c-8c8c-71466251a162
bf8c5342 · bellard · 01781963 · bf8c5342
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Showing with 3 addition and 1 deletion

vl.c vl.c +3 -1

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--- a/vl.c
+++ b/vl.c
@@ -3886,7 +3886,9 @@ static int net_client_init(const char *str)
            if (net_tap_fd_init(vlan, fd))
                ret = 0;
        } else {
-            get_param_value(ifname, sizeof(ifname), "ifname", p);
+            if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
+                ifname[0] = '\0';
+            }
            if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
                pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
            }