[PATCH v2] staging: comedi: remove __user annotation inside of struct's
Greg KH
gregkh at linuxfoundation.org
Wed May 9 20:40:15 UTC 2012
On Wed, May 09, 2012 at 09:36:03AM -0700, H Hartley Sweeten wrote:
> Remove the __user annotations in the struct definitions in
> comedi.h.
>
> These structs are used to pass information from user-space
> to kernel-space. The copy_from_user and copy_to_user functions
> are used to transfer the data between the address spaces.
>
> The drivers then use the information internally under the
> assumption that they are kernel-space objects. Having the
> __user annotations inside the structs produces a number of
> sparse warnings of the type:
>
> warning: dereference of noderef expression
>
> According to Grek Kroah-Hartman:
That would be "Greg" :)
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