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SubjectRe: [PATCH] [condingstyle] Add chapter on tests
On Sat, 26 May 2007, Jan Engelhardt wrote:

> +Testing for a flag, as done in the following example, is redundant and
> +can be shortened.
> +
> + if ((v & GFP_KERNEL) == GFP_KERNEL)
> + return;
> +
> +should become
> +
> + if (v & GFP_KERNEL)
> + return;

This looks wrong to me. These two are only equivalent if the "flag" only
has 1 bit. And already here you fall into this trap:

#define GFP_KERNEL (__GFP_WAIT | __GFP_IO | __GFP_FS)

Thanks
Guennadi
---
Guennadi Liakhovetski
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