29bbe71ccf
In order to prevent using the global errno, replace it with a static version and create a wrapper function which returns the error value. Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de>