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Re: [Xen-devel] [PATCH] Pointer should be checked before use
Yang, Xiaowei writes ("[Xen-devel] [PATCH] Pointer should be checked before
use"):
> + if ( domids == NULL || refs == NULL )
> + return NULL;
Callers should not pass null pointers. If they do it is better for
the program to explode sooner than later; that makes tracking the
fault much easier.
So this kind of check, turning incoming null pointers into error
returns, is a bad idea.
Ian.
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