Author: idra
Date: 2006-08-04 12:05:46 +0000 (Fri, 04 Aug 2006)
New Revision: 17398

WebSVN: 
http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=17398

Log:

avoid a memleak when we are returned 0 results and make a more creative use of 
memory contexts


Modified:
   branches/SAMBA_4_0/source/lib/ldb/common/ldb_modules.c


Changeset:
Modified: branches/SAMBA_4_0/source/lib/ldb/common/ldb_modules.c
===================================================================
--- branches/SAMBA_4_0/source/lib/ldb/common/ldb_modules.c      2006-08-04 
10:27:14 UTC (rev 17397)
+++ branches/SAMBA_4_0/source/lib/ldb/common/ldb_modules.c      2006-08-04 
12:05:46 UTC (rev 17398)
@@ -261,17 +261,17 @@
        if ((modules == NULL) && (strcmp("ldap", ldb->modules->ops->name) != 
0)) { 
                int ret;
                const char * const attrs[] = { "@LIST" , NULL};
-               struct ldb_result *res;
-               struct ldb_dn *mods;
+               struct ldb_result *res = NULL;
+               struct ldb_dn *mods_dn;
 
-               mods = ldb_dn_explode(mem_ctx, "@MODULES");
-               if (mods == NULL) {
+               mods_dn = ldb_dn_explode(mem_ctx, "@MODULES");
+               if (mods_dn == NULL) {
                        talloc_free(mem_ctx);
                        return -1;
                }
 
-               ret = ldb_search(ldb, mods, LDB_SCOPE_BASE, "", attrs, &res);
-               talloc_free(mods);
+               ret = ldb_search(ldb, mods_dn, LDB_SCOPE_BASE, "", attrs, &res);
+               if (res) talloc_steal(mods_dn, res);
                if (ret == LDB_SUCCESS && (res->count == 0 || 
res->msgs[0]->num_elements == 0)) {
                        ldb_debug(ldb, LDB_DEBUG_TRACE, "no modules required by 
the db\n");
                } else {
@@ -282,7 +282,6 @@
                        }
                        if (res->count > 1) {
                                ldb_debug(ldb, LDB_DEBUG_FATAL, "Too many 
records found (%d), bailing out\n", res->count);
-                               talloc_free(res);
                                talloc_free(mem_ctx);
                                return -1;
                        }
@@ -290,8 +289,9 @@
                        modules = ldb_modules_list_from_string(ldb, mem_ctx,
                                                               (const char 
*)res->msgs[0]->elements[0].values[0].data);
 
-                       talloc_free(res);
                }
+
+               talloc_free(mods_dn);
        }
 
        if (modules != NULL) {

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