Re: [PATCH 1/2]drivers/usb/core/sysfs.c Fix variable 'retval' setbut not used

[Alan Stern]

On Tue, 3 Aug 2010 Valdis.Kletnieks@xxxxxx wrote:

> > Failure to create a file in sysfs is almost never fatal and usually not 
> > even dangerous.  Ignoring the error is generally better than failing 
> > the entire operation.
> 
> Then why the __must_check attribute if it's usually ignorable? I thought
> that was reserved for functions that you damned sight better well check
> for errors because bad things are afoot otherwise?

That's a good question.  Perhaps Greg KH knows the answer.

Alan Stern

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