fix memory leakinggingerbread

There is a possible memory leaking when lo is allocated but
the lo->name is not. In this case, we should free the lo and then return

original change I475968bd570a113c9f61f02b974d57d1caaa0236

picked from:
https://android-review.googlesource.com/#/c/23450/

1 files changed, 11 insertions, 8 deletions

diff --git a/src/network.c b/src/network.c
index b0ffc6b..2dba31c 100755
--- a/src/network.c
+++ b/src/network.c
@@ -162,14 +162,17 @@ static int iface_allowed(struct irec **irecp, int if_index,
 	    break;
 	  }
       
-      if (!lo && 
-	  (lo = whine_malloc(sizeof(struct iname))) &&
-	  (lo->name = whine_malloc(strlen(ifr.ifr_name)+1)))
-	{
-	  strcpy(lo->name, ifr.ifr_name);
-	  lo->isloop = lo->used = 1;
-	  lo->next = daemon->if_names;
-	  daemon->if_names = lo;
+      if (!lo && (lo = whine_malloc(sizeof(struct iname))))
+        {
+	  if ((lo->name = whine_malloc(strlen(ifr.ifr_name)+1)))
+            {
+	      strcpy(lo->name, ifr.ifr_name);
+	      lo->isloop = lo->used = 1;
+	      lo->next = daemon->if_names;
+	      daemon->if_names = lo;
+            } else {
+              free(lo);
+            }
 	}
     }