From c2c0f6cb0d6877e868e75dc7404b5b187b968041 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sat, 28 Oct 2017 17:55:09 +0200
Subject: [PATCH] Catch negative-size array allocations
---
pyopencl/array.py | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/pyopencl/array.py b/pyopencl/array.py
index 6679387d..744dca10 100644
--- a/pyopencl/array.py
+++ b/pyopencl/array.py
@@ -481,9 +481,14 @@ class Array(object):
self.allocator = allocator
if data is None:
- if not alloc_nbytes:
- # Work around CL not allowing zero-sized buffers.
- alloc_nbytes = 1
+ if alloc_nbytes <= 0:
+ if alloc_nbytes == 0:
+ # Work around CL not allowing zero-sized buffers.
+ alloc_nbytes = 1
+
+ else:
+ raise ValueError("cannot allocate CL buffer with "
+ "negative size")
if allocator is None:
if context is None and queue is not None:
--
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