RE: [PATCH net-next 09/10] net/mlx4_en: Manage flow steering rules with ethtool

["David Laight" <David.Laight@xxxxxxxxxx>]

> > Or write it as (!field || !(typeof(field))~field) which more closely
> > resembles what the macro name expresses.
> 
> Better still, or maybe:
> 
> 	field == 0 || field == (typeof field)~0

Which doesn't work when sizeof(field) > sizeof(int).
Needs another cast.

	field == 0 || field == (typeof field)~(typeof field)0

	David


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