isl_stream_new: read_defined_var_list: avoid double free on error

diff --git a/isl_stream.c b/isl_stream.c
index c917fb8..7ddc75a 100644 (file)
--- a/isl_stream.c
+++ b/isl_stream.c
@@ -108,12 +108,8 @@ static struct isl_stream* isl_stream_new(struct isl_ctx *ctx)
                return NULL;
        s->ctx = ctx;
        isl_ctx_ref(s->ctx);
-       s->size = 256;
        s->file = NULL;
        s->str = NULL;
-       s->buffer = isl_alloc_array(ctx, char, s->size);
-       if (!s->buffer)
-               goto error;
        s->len = 0;
        s->line = 1;
        s->col = 0;
@@ -123,6 +119,10 @@ static struct isl_stream* isl_stream_new(struct isl_ctx *ctx)
                s->tokens[i] = NULL;
        s->n_token = 0;
        s->keywords = NULL;
+       s->size = 256;
+       s->buffer = isl_alloc_array(ctx, char, s->size);
+       if (!s->buffer)
+               goto error;
        return s;
 error:
        isl_stream_free(s);