pxe: Return the file size from the getfile() function
It is pretty strange that the pxe code uses the 'filesize' environment variable find the size of a file it has just read. Partly this is because it uses the command-line interpreter to parse its request to load the file. As a first step towards unwinding this, return it directly from the getfile() function. This makes the code a bit longer, for now, but will be cleaned up in future patches. Signed-off-by:Simon Glass <sjg@chromium.org> Reviewed-by:
Artem Lapkin <email2tema@gmail.com> Tested-by:
Artem Lapkin <email2tema@gmail.com> Reviewed-by:
Ramon Fried <rfried.dev@gmail.com>
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