diff options
-rw-r--r-- | src/glsl/loop_controls.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/glsl/loop_controls.cpp b/src/glsl/loop_controls.cpp index 2ef3d30..b528810 100644 --- a/src/glsl/loop_controls.cpp +++ b/src/glsl/loop_controls.cpp @@ -85,6 +85,9 @@ int calculate_iterations(ir_rvalue *from, ir_rvalue *to, ir_rvalue *increment, enum ir_expression_operation op) { + if (from == NULL || to == NULL || increment == NULL) + return -1; + void *mem_ctx = talloc_init("%s", __func__); ir_expression *const sub = |