X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=utilities%2Fovs-ofctl.c;h=7c20d7ad366cfaaa3c92179db61bdaaecff30ce5;hb=14986b312eebf556c20e03b49fbff51859e38c5a;hp=583e5548bca1f25021fa8000bbd220de8551e4c5;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=openvswitch

diff --git a/utilities/ovs-ofctl.c b/utilities/ovs-ofctl.c
index 583e5548..7c20d7ad 100644
--- a/utilities/ovs-ofctl.c
+++ b/utilities/ovs-ofctl.c
@@ -442,8 +442,8 @@ str_to_u32(const char *str)
 static void
 str_to_mac(const char *str, uint8_t mac[6]) 
 {
-    if (sscanf(str, "%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8,
-               &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) != 6) {
+    if (sscanf(str, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
+        != ETH_ADDR_SCAN_COUNT) {
         ovs_fatal(0, "invalid mac address %s", str);
     }
 }
@@ -916,11 +916,15 @@ do_mod_flows(const struct settings *s, int argc UNUSED, char *argv[])
     struct vconn *vconn;
     struct ofpbuf *buffer;
     struct ofp_flow_mod *ofm;
+    struct ofp_match match;
 
-    /* Parse and send. */
-    ofm = make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
-    str_to_flow(argv[2], &ofm->match, buffer,
+    /* Parse and send.  str_to_flow() will expand and reallocate the data in
+     * 'buffer', so we can't keep pointers to across the str_to_flow() call. */
+    make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
+    str_to_flow(argv[2], &match, buffer,
                 NULL, NULL, &priority, &idle_timeout, &hard_timeout);
+    ofm = buffer->data;
+    ofm->match = match;
     if (s->strict) {
         ofm->command = htons(OFPFC_MODIFY_STRICT);
     } else {
@@ -1131,7 +1135,7 @@ do_ping(const struct settings *s UNUSED, int argc, char *argv[])
             printf("Reply:\n");
             ofp_print(stdout, reply, reply->size, 2);
         }
-        printf("%d bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
+        printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
                reply->size - sizeof *rpy_hdr, argv[1], rpy_hdr->xid,
                    (1000*(double)(end.tv_sec - start.tv_sec))
                    + (.001*(end.tv_usec - start.tv_usec)));