X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_attached_export.c;h=3c9c2bffee67093b8952839564bb5b18f710b856;hb=320dfcf2aa8f4617b51a2bb15f3d0f93ee62d4dc;hp=a0f4e4e8bc2dc4a5d62591e0c6c84ea3d9e7c829;hpb=e16707b5b2195fda47c1a3db7ba61f30055d2dbc;p=vpp.git

diff --git a/src/vnet/fib/fib_attached_export.c b/src/vnet/fib/fib_attached_export.c
index a0f4e4e8bc2..3c9c2bffee6 100644
--- a/src/vnet/fib/fib_attached_export.c
+++ b/src/vnet/fib/fib_attached_export.c
@@ -152,7 +152,7 @@ fib_entry_import_add (fib_ae_import_t *import,
 		      fib_node_index_t entry_index)
 {
     fib_node_index_t *existing;
-    const fib_prefix_t *prefix;
+    fib_prefix_t prefix;
 
     /*
      * ensure we only add the exported entry once, since
@@ -168,15 +168,15 @@ fib_entry_import_add (fib_ae_import_t *import,
 
     /*
      * this is the first time this export entry has been imported
-     * Add it to the import FIB and to the list of importeds
+     * Add it to the import FIB and to the list of importeds.
+     * make a copy of the prefix in case the underlying entry reallocs.
      */
-    prefix = fib_entry_get_prefix(entry_index);
+    fib_prefix_copy(&prefix, fib_entry_get_prefix(entry_index));
 
     /*
      * don't import entries that have the same prefix the import entry
      */
-    if (0 != fib_prefix_cmp(prefix,
-			    &import->faei_prefix))
+    if (0 != fib_prefix_cmp(&prefix, &import->faei_prefix))
     {
         const dpo_id_t *dpo;
 
@@ -185,7 +185,7 @@ fib_entry_import_add (fib_ae_import_t *import,
         if (dpo_id_is_valid(dpo) && !dpo_is_drop(dpo))
         {
             fib_table_entry_special_dpo_add(import->faei_import_fib,
-                                            prefix,
+                                            &prefix,
                                             FIB_SOURCE_AE,
                                             (fib_entry_get_flags(entry_index) |
                                              FIB_ENTRY_FLAG_EXCLUSIVE),