Author: stevek
Date: Tue Jun  6 22:17:55 2017
New Revision: 319639
URL: https://svnweb.freebsd.org/changeset/base/319639

Log:
  When the input parameter node is NULL, memory is allocated to it.
  To later free the memory, introduce a new variable lnode to track when
  this happens.
  
  Submitted by: Thomas Rix <t...@juniper.net>
  Reviewed by:  emax
  Approved by:  sjg (mentor)
  MFC after:    1 week
  Differential Revision:        https://reviews.freebsd.org/D9878

Modified:
  head/usr.sbin/bluetooth/hccontrol/hccontrol.c

Modified: head/usr.sbin/bluetooth/hccontrol/hccontrol.c
==============================================================================
--- head/usr.sbin/bluetooth/hccontrol/hccontrol.c       Tue Jun  6 21:51:04 
2017        (r319638)
+++ head/usr.sbin/bluetooth/hccontrol/hccontrol.c       Tue Jun  6 22:17:55 
2017        (r319639)
@@ -103,13 +103,14 @@ socket_open(char const *node)
        int                                      s, mib[4], num;
        size_t                                   size;
        struct nodeinfo                         *nodes;
+       char                                    *lnode = NULL;
 
        num = find_hci_nodes(&nodes);
        if (num == 0)
                errx(7, "Could not find HCI nodes");
 
        if (node == NULL) {
-               node = strdup(nodes[0].name);
+               node = lnode = strdup(nodes[0].name);
                if (num > 1)
                        fprintf(stdout, "Using HCI node: %s\n", node);
        }
@@ -130,6 +131,7 @@ socket_open(char const *node)
        if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0)
                err(3, "Could not connect socket, node=%s", node);
 
+       free(lnode);
        memset(&filter, 0, sizeof(filter));
        bit_set(filter.event_mask, NG_HCI_EVENT_COMMAND_COMPL - 1);
        bit_set(filter.event_mask, NG_HCI_EVENT_COMMAND_STATUS - 1);
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