if armv7a_l1_d_cache_clean_inval_all will fail, error value is never forwarded. So make sure we do it from now. Change-Id: I02acfaa938ec09f58df77191d13d8f4bb3308720 Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Reviewed-on: http://openocd.zylin.com/4384 Tested-by: jenkins Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>