Re: + checkpatch-add-check-for-use-of-sizeof-without-parenthesis.patchadded to -mm tree

[David Rientjes]

On Mon, 9 Jul 2012, akpm@xxxxxxxxxxxxxxxxxxxx wrote:

> From: Joe Perches <joe@xxxxxxxxxxx>
> Subject: checkpatch: Add acheck for use of sizeof without parenthesis
> 
> Kernel style uses parenthesis around sizeof.
> 

Nack, there's a difference between "sizeof *task" and 
"sizeof(struct task_struct)".  The former operates on a unary expression 
and the latter operates on a type.  There are over 1000 occurrences in the 
kernel where the sizeof operator, the former, is used on a unary 
expression.
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