On Fri, Mar 08, 2019 at 01:54:02AM +0000, 王 文涛 wrote: > From 66d39c0de0abd45ddca7aa8fc08632b01d669d7b Mon Sep 17 00:00:00 2001 > From: Wentao Wang <“witallwang@xxxxxxxxx”> > Date: Mon, 4 Mar 2019 21:58:33 +0800 > Subject: [PATCH] Disable kgdboc failed by echo space to > /sys/module/kgdboc/parameters/kgdboc > MIME-Version: 1.0 > Content-Type: text/plain; charset=UTF-8 > Content-Transfer-Encoding: 8bit Why is this all in your patch itself? It's also line-wrapped :( Please just send the patch in a "clean" format, or use git send-email to send it out. > > Echo "" to /sys/module/kgdboc/parameters/kgdboc will fail with write > error: No such device > This is caused by function "configure_kgdboc" who init err to ENODEV when > the config is empty (legal input) the code go out with ENODEV returned. > > Fixes: 2dd453168643d ("kgdboc: Fix restrict error") > > Signed-off-by: Wentao Wang <“witallwang@xxxxxxxxx”> No need for "" for your email address. Can you please fix this up and resend so I can apply the patch? thanks, greg k-h