tree bee6af33540d5e8dbc5b6e75903a911d487198f7
parent 83a74ad14370b75051cabfc2eab01fd8556f3bdb
author Heinrich Schuchardt <xypron.glpk@gmx.de> 1567891684 +0200
committer Heinrich Schuchardt <xypron.glpk@gmx.de> 1568035268 +0200

efi_loader: file size checks

The file size has to be determined in multiple places. Factor out a common
function.

If on entry into EFI_FILE_PROTOCOL.Read() the current position is beyond
the end of the file, return EFI_DEVICE_ERROR.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>