isl_basic_set_opt: avoid invalid access on error path

[platform/upstream/isl.git] / isl_stream.c

diff --git a/isl_stream.c b/isl_stream.c
index db59468..68f6e52 100644 (file)
--- a/isl_stream.c
+++ b/isl_stream.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2009 Katholieke Universiteit Leuven
  *
- * Use of this software is governed by the GNU LGPLv2.1 license
+ * Use of this software is governed by the MIT license
  *
  * Written by Sven Verdoolaege, K.U.Leuven, Departement
  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
@@ -173,7 +173,10 @@ struct isl_stream* isl_stream_new_file(struct isl_ctx *ctx, FILE *file)
 
 struct isl_stream* isl_stream_new_str(struct isl_ctx *ctx, const char *str)
 {
-       struct isl_stream *s = isl_stream_new(ctx);
+       struct isl_stream *s;
+       if (!str)
+               return NULL;
+       s = isl_stream_new(ctx);
        if (!s)
                return NULL;
        s->str = str;