On Tue, 8 May 2007, Timur Tabi wrote: > The rheap allocation functions return a pointer, but the actual value is based > on how the heap was initialized, and so it can be anything, e.g. an offset > into a buffer. A ulong is a better representation of the value returned by > the allocation functions. > > This patch changes all of the relevant rheap functions to use a unsigned long > integers instead of a pointer. In case of an error, the value returned is > a negative error code that has been cast to an unsigned long. The caller can > use the IS_ERR_VALUE() macro to check for this. > > All code which calls the rheap functions is updated accordingly. Macros > IS_MURAM_ERR() and IS_DPERR(), have been deleted in favor of IS_ERR_VALUE(). > > Also added error checking to rh_attach_region(). > > Signed-off-by: Timur Tabi <[EMAIL PROTECTED]>
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