Mark Cave-Ayland d2f9a689ac Add checks to the read_io, seek_io and close_io routines to ensure that they do not perform any actions if an invalid ...

file handle (-1) is passed. This resolves the issue with extra arguments being left on the Forth stack when an invalid device 
access is attempted.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@764 f158a5a8-5612-0410-a976-696ce0be7e32

2010-05-01 09:48:57 +00:00

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