s4-anr: check for allocation failure before use

diff --git a/source4/dsdb/samdb/ldb_modules/anr.c b/source4/dsdb/samdb/ldb_modules/anr.c
index 68f007ebd97dce53da0e8eb3bca9327d89b22133..15a8a7aa483be56382d63a83439c35e672295a79 100644 (file)
--- a/source4/dsdb/samdb/ldb_modules/anr.c
+++ b/source4/dsdb/samdb/ldb_modules/anr.c
@@ -149,10 +149,10 @@ static int anr_replace_value(struct anr_context *ac,
 
        if (match->length > 1 && match->data[0] == '=') {
                struct ldb_val *match2 = talloc(mem_ctx, struct ldb_val);
-               *match2 = data_blob_const(match->data+1, match->length - 1);
                if (match2 == NULL){
                        return ldb_oom(ldb);
                }
+               *match2 = data_blob_const(match->data+1, match->length - 1);
                match = match2;
                op = LDB_OP_EQUALITY;
        } else {