nginx 0.5.29 *) Feature: $nginx_version variable. Thanks to Nick S. Grechukh. *) Bugfix: if the FastCGI header was split in records, then nginx passed garbage in the header to a client. *) Bugfix: Sun Studio compatibility on Solaris/amd64 and Solaris/sparc64. Thanks to Jiang Hong and Andrei Nigmatulin. *) Bugfix: of minor potential bugs. Thanks to Coverity's Scan.

--- a/src/core/ngx_file.c
+++ b/src/core/ngx_file.c
@@ -456,6 +456,9 @@ ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_s
         }
 
         ctx->data = data;
+
+    } else {
+        data = NULL;
     }
 
     for ( ;; ) {
@@ -581,8 +584,8 @@ done:
         ngx_free(buf.data);
     }
 
-    if (ctx->alloc) {
-        ngx_free(ctx->data);
+    if (data) {
+        ngx_free(data);
         ctx->data = prev;
     }