The correct syntax is already suggested due to the return value used. While at it, apply some minor code improvements. Change-Id: I990c0f7a0871f4b1a0fcdd13afc190149302443c Signed-off-by: Marc Schink <dev@zapb.de> Reviewed-on: https://review.openocd.org/c/openocd/+/8003 Reviewed-by: Tomas Vanek <vanekt@fbl.cz> Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>