commit 61d9df3e62aaa0e87ad05452fcb95142159a17b6
author Dmitry Shmidt <dimitrysh@google.com> Wed Aug 29 16:22:06 2012 -0700
committer Dmitry Shmidt <dimitrysh@google.com> Tue Sep 04 17:24:09 2012 -0700
tree 192ecb010484c58cdec7d39086d64723063268ae
parent 4b86ea55603eded752b5773179884a35e74e1a89

wpa_supplicant: Update to 29-Aug-2012 TOT

commit 6ffdc2f7bd496ace7a46e055f9714e7db4b1f722
Author: Jouni Malinen <jouni@qca.qualcomm.com>
Date:   Fri Mar 2 22:31:04 2012 +0200

    WFD: Add preliminary WSD request processing and response

    This commit does not yet address support for different device roles,
    i.e., the same set of subelements are returned regardless of which
    role was indicated in the request.

    Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

Change-Id: I9d63acce719b982c02e589bb59602382e82988c8
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

src/utils/wpabuf.c

diff --git a/src/utils/wpabuf.c b/src/utils/wpabuf.c
index b007e66..b257b36 100644
--- a/src/utils/wpabuf.c
+++ b/src/utils/wpabuf.c
@@ -1,6 +1,6 @@
 /*
  * Dynamic data buffer
- * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2007-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -68,12 +68,12 @@
 
 	if (buf->used + add_len > buf->size) {
 		unsigned char *nbuf;
-		if (buf->ext_data) {
-			nbuf = os_realloc(buf->ext_data, buf->used + add_len);
+		if (buf->flags & WPABUF_FLAG_EXT_DATA) {
+			nbuf = os_realloc(buf->buf, buf->used + add_len);
 			if (nbuf == NULL)
 				return -1;
 			os_memset(nbuf + buf->used, 0, add_len);
-			buf->ext_data = nbuf;
+			buf->buf = nbuf;
 		} else {
 #ifdef WPA_TRACE
 			nbuf = os_realloc(trace, sizeof(struct wpabuf_trace) +
@@ -95,6 +95,7 @@
 			os_memset(nbuf + sizeof(struct wpabuf) + buf->used, 0,
 				  add_len);
 #endif /* WPA_TRACE */
+			buf->buf = (u8 *) (buf + 1);
 			*_buf = buf;
 		}
 		buf->size = buf->used + add_len;
@@ -126,6 +127,7 @@
 #endif /* WPA_TRACE */
 
 	buf->size = len;
+	buf->buf = (u8 *) (buf + 1);
 	return buf;
 }
 
@@ -148,7 +150,8 @@
 
 	buf->size = len;
 	buf->used = len;
-	buf->ext_data = data;
+	buf->buf = data;
+	buf->flags |= WPABUF_FLAG_EXT_DATA;
 
 	return buf;
 }
@@ -189,12 +192,14 @@
 		wpa_trace_show("wpabuf_free magic mismatch");
 		abort();
 	}
-	os_free(buf->ext_data);
+	if (buf->flags & WPABUF_FLAG_EXT_DATA)
+		os_free(buf->buf);
 	os_free(trace);
 #else /* WPA_TRACE */
 	if (buf == NULL)
 		return;
-	os_free(buf->ext_data);
+	if (buf->flags & WPABUF_FLAG_EXT_DATA)
+		os_free(buf->buf);
 	os_free(buf);
 #endif /* WPA_TRACE */
 }