The correct syntax is already suggested due to the return value used. While at it, apply some minor code improvements. Change-Id: Idf3d7a46ddecd70823e06bc3997f41fcdb8e501f Signed-off-by: Marc Schink <dev@zapb.de> Reviewed-on: https://review.openocd.org/c/openocd/+/8000 Reviewed-by: Tomas Vanek <vanekt@fbl.cz> Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com> Tested-by: jenkins