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-rw-r--r--src/mesa/shader/slang/slang_compile_operation.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/mesa/shader/slang/slang_compile_operation.c b/src/mesa/shader/slang/slang_compile_operation.c
index 310a46b6454..730cc069129 100644
--- a/src/mesa/shader/slang/slang_compile_operation.c
+++ b/src/mesa/shader/slang/slang_compile_operation.c
@@ -119,11 +119,13 @@ slang_operation_copy(slang_operation * x, const slang_operation * y)
if (!slang_operation_construct(&z))
return GL_FALSE;
z.type = y->type;
- z.children = (slang_operation *)
- _slang_alloc(y->num_children * sizeof(slang_operation));
- if (z.children == NULL) {
- slang_operation_destruct(&z);
- return GL_FALSE;
+ if (y->num_children > 0) {
+ z.children = (slang_operation *)
+ _slang_alloc(y->num_children * sizeof(slang_operation));
+ if (z.children == NULL) {
+ slang_operation_destruct(&z);
+ return GL_FALSE;
+ }
}
for (z.num_children = 0; z.num_children < y->num_children;
z.num_children++) {
@@ -285,4 +287,3 @@ slang_operation_add_children(slang_operation *oper, GLuint num_children)
}
}
-