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gPXE currently overwrites the filename stored in the cached DHCP packets when a call to PXENV_TFTP_READ_FILE or PXENV_RESTART_TFTP is made. This code has existed for many years as a workaround for RIS, which seemed to require that this be done. pxe_set_cached_filename() causes problems with the Bootix NBP, and a recent test demonstrates that RIS will complete successfully even with pxe_set_cached_filename() removed. There have been many changes to the DHCP and PXE logic since this code was first added, and it is quite plausible that it was masking a bug that no longer exists. Reported-by: Alex Zeffertt <alex.zeffertt@eu.citrix.com> Debugged-by: Shao Miller <Shao.Miller@yrdsb.edu.on.ca> Signed-off-by: Michael Brown <mcb30@etherboot.org>