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commit6e20753da6upstream. conmakehash uses getenv("abs_srctree") from the environment to strip the absolute path from the generated sources. However since commite2bad142bb("kbuild: unexport abs_srctree and abs_objtree") this environment variable no longer gets set. Instead use basename() to indicate the used file in a comment of the generated source file. Fixes:3bd85c6c97("tty: vt: conmakehash: Don't mention the full path of the input in output") Cc: stable <stable@kernel.org> Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com> Link: https://lore.kernel.org/stable/20240725132056.9151-1-max.oss.09%40gmail.com Link: https://lore.kernel.org/r/20240725132056.9151-1-max.oss.09@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>