[Qemu-devel] [7154] Fix error handling in net_client_init() (Mark McLoughlin)

[Anthony Liguori <anthony@codemonkey.ws>]

Revision: 7154
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=7154
Author:   aliguori
Date:     2009-04-17 18:06:31 +0000 (Fri, 17 Apr 2009)
Log Message:
-----------
Fix error handling in net_client_init() (Mark McLoughlin)

We weren't freeing the name string everywhere.

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

Modified Paths:
--------------
    branches/stable_0_10/net.c

Modified: branches/stable_0_10/net.c
===================================================================
--- branches/stable_0_10/net.c	2009-04-17 18:06:27 UTC (rev 7153)
+++ branches/stable_0_10/net.c	2009-04-17 18:06:31 UTC (rev 7154)
@@ -1606,7 +1606,8 @@
 
         if (idx == -1 || nb_nics >= MAX_NICS) {
             fprintf(stderr, "Too Many NICs\n");
-            return -1;
+            ret = -1;
+            goto out;
         }
         nd = &nd_table[idx];
         macaddr = nd->macaddr;
@@ -1620,7 +1621,8 @@
         if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
             if (parse_macaddr(macaddr, buf) < 0) {
                 fprintf(stderr, "invalid syntax for ethernet address\n");
-                return -1;
+                ret = -1;
+                goto out;
             }
         }
         if (get_param_value(buf, sizeof(buf), "model", p)) {
@@ -1660,8 +1662,9 @@
         port = strtol(p, &devname, 10);
         devname++;
         if (port < 1 || port > 65535) {
-            fprintf(stderr, "vmchannel wrong port number\n"); 
-            return -1;
+            fprintf(stderr, "vmchannel wrong port number\n");
+            ret = -1;
+            goto out;
         }
         vmc = malloc(sizeof(struct VMChannel));
         snprintf(name, 20, "vmchannel%ld", port);
@@ -1669,7 +1672,8 @@
         if (!vmc->hd) {
             fprintf(stderr, "qemu: could not open vmchannel device"
                     "'%s'\n", devname);
-            return -1;
+            ret = -1;
+            goto out;
         }
         vmc->port = port;
         slirp_add_exec(3, vmc->hd, 4, port);
@@ -1683,7 +1687,8 @@
         char ifname[64];
         if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
             fprintf(stderr, "tap: no interface name\n");
-            return -1;
+            ret = -1;
+            goto out;
         }
         vlan->nb_host_devs++;
         ret = tap_win32_init(vlan, device, name, ifname);
@@ -1730,7 +1735,8 @@
             ret = net_socket_mcast_init(vlan, device, name, buf);
         } else {
             fprintf(stderr, "Unknown socket options: %s\n", p);
-            return -1;
+            ret = -1;
+            goto out;
         }
         vlan->nb_host_devs++;
     } else
@@ -1760,13 +1766,13 @@
 #endif
     {
         fprintf(stderr, "Unknown network device: %s\n", device);
-        if (name)
-            free(name);
-        return -1;
+        ret = -1;
+        goto out;
     }
     if (ret < 0) {
         fprintf(stderr, "Could not initialize device '%s'\n", device);
     }
+out:
     if (name)
         free(name);
     return ret;