Index: frame.c
===================================================================
--- frame.c	(revision 13064)
+++ frame.c	(working copy)
@@ -304,6 +304,7 @@
 struct ast_frame *ast_frisolate(struct ast_frame *fr)
 {
 	struct ast_frame *out;
+	void *newdata;
 	if (!(fr->mallocd & AST_MALLOCD_HDR)) {
 		/* Allocate a new header if needed */
 		if (!(out = ast_frame_header_new())) {
@@ -325,14 +326,15 @@
 	} else
 		out->src = fr->src;
 	if (!(fr->mallocd & AST_MALLOCD_DATA))  {
-		if (!(out->data = ast_malloc(fr->datalen + AST_FRIENDLY_OFFSET))) {
+		if (!(newdata = ast_malloc(fr->datalen + AST_FRIENDLY_OFFSET))) {
 			free(out);
 			return NULL;
 		}
-		out->data += AST_FRIENDLY_OFFSET;
+		newdata += AST_FRIENDLY_OFFSET;
 		out->offset = AST_FRIENDLY_OFFSET;
 		out->datalen = fr->datalen;
-		memcpy(out->data, fr->data, fr->datalen);
+		memcpy(newdata, fr->data, fr->datalen);
+		out->data = newdata;
 	}
 	out->mallocd = AST_MALLOCD_HDR | AST_MALLOCD_SRC | AST_MALLOCD_DATA;
 	return out;