csum: Avoid misaligned data access.

[openvswitch] / lib / ofp-print.c

diff --git a/lib/ofp-print.c b/lib/ofp-print.c
index 87ae185e5b207b65a330b9f6b6c1f96beade1878..4572db4440d55589e8fb3dbdd178201076d0c21a 100644 (file)
--- a/lib/ofp-print.c
+++ b/lib/ofp-print.c
@@ -184,6 +184,22 @@ static void ofp_print_port_name(struct ds *string, uint16_t port)
     ds_put_cstr(string, name);
 }
 
+static void
+print_note(struct ds *string, const struct nx_action_note *nan)
+{
+    size_t len;
+    size_t i;
+
+    ds_put_cstr(string, "note:");
+    len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
+    for (i = 0; i < len; i++) {
+        if (i) {
+            ds_put_char(string, '.');
+        }
+        ds_put_format(string, "%02"PRIx8, nan->note[i]);
+    }
+}
+
 static void
 ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah)
 {
@@ -217,6 +233,10 @@ ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah)
         ds_put_cstr(string, "pop_queue");
         break;
 
+    case NXAST_NOTE:
+        print_note(string, (const struct nx_action_note *) nah);
+        break;
+
     default:
         ds_put_format(string, "***unknown Nicira action:%d***",
                       ntohs(nah->subtype));