From fa6be4be28e552cdae879349d6829b2c8d65ff8b Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Thu, 30 Jan 2014 15:20:44 -0600
Subject: [PATCH] Fixes in Buffer.__getslice__ (pointed out by Freddie
Witherden)
---
src/wrapper/wrap_cl.hpp | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/wrapper/wrap_cl.hpp b/src/wrapper/wrap_cl.hpp
index ea1cea82..4be614a0 100644
--- a/src/wrapper/wrap_cl.hpp
+++ b/src/wrapper/wrap_cl.hpp
@@ -1725,7 +1725,13 @@ namespace pyopencl
PYOPENCL_CALL_GUARDED(clGetMemObjectInfo,
(data(), CL_MEM_FLAGS, sizeof(my_flags), &my_flags, 0));
- return get_sub_region(start, end, my_flags);
+ flags &= ^CL_MEM_COPY_HOST_PTR;
+
+ if (end <= start)
+ throw pyopencl::error("Buffer.__getitem__", CL_INVALID_VALUE,
+ "Buffer slice have end > start");
+
+ return get_sub_region(start, end-start, my_flags);
}
#endif
};
--
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