system-linux: fix memory leak on error in system_add_vxlan()

Detected by coverity in CID 1412449

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

diff --git a/system-linux.c b/system-linux.c
index 0ca5256..6fb0a01 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -2824,8 +2824,10 @@ static int system_add_vxlan(const char *name, const unsigned int link, struct bl
                unsigned tos = 1;
 
                if (strcmp(str, "inherit")) {
-                       if (!system_tos_aton(str, &tos))
-                               return -EINVAL;
+                       if (!system_tos_aton(str, &tos)) {
+                               ret = -EINVAL;
+                               goto failure;
+                       }
                }
 
                nla_put_u8(msg, IFLA_VXLAN_TOS, tos);