[PATCH] Fix kfree usage in various mtd map remove functions

[MikeW]

Phil Endecott <spam_from_linux_mtd <at> chezphil.org> writes:

....
> Since mtd drivers are rarely or never used as modules (they typically provide
root filesystems) 
> it is unlikely that these code paths have ever been exercised.  It also means
that this patch 
> has not been tested by the author.
....

PS a little worrying that people are committing patches without
testing them properly. Hope it's just an exception !

MikeW