rfc: checkpatch logical line continuations

[David Miller]

From: Joe Perches <joe at perches.com>
Date: Fri, 07 Mar 2014 13:02:44 -0800

> Right now, checkpatch emits a --strict only warning on "&&" or "||"
> at the beginning of line but that could be changed to any "$Operators"
> 
> our $Arithmetic = qr{\+|-|\*|\/|%};
> our $Operators	= qr{
> 			<=|>=|==|!=|
> 			=>|->|<<|>>|<|>|!|~|
> 			&&|\|\||,|\^|\+\+|--|&|\||$Arithmetic
> 		  }x;
> 
> The ones that likely have a too high false positive rates
> are the negation "!" and bitwise "~".

Unary operators at the beginning of a line are perfectly fine,
it's the other ones that are the problem.