From 3e39fe539490e618e068358a68028fa33bf9e247 Mon Sep 17 00:00:00 2001 From: Michael Heimpold Date: Wed, 2 Jan 2019 00:44:56 +0100 Subject: [PATCH] procd: shift arguments for askfirst only once In case we want to process an inittab item multiple times (e.g. in case of hotplugging) we must not shift the arguments for askfirst multiple times. So check whether we already did it. Signed-off-by: Michael Heimpold --- inittab.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/inittab.c b/inittab.c index b67730c..1cfef2b 100644 --- a/inittab.c +++ b/inittab.c @@ -165,9 +165,12 @@ static void askfirst(struct init_action *a) } a->tout.cb = respawn; - for (i = MAX_ARGS - 1; i >= 1; i--) - a->argv[i] = a->argv[i - 1]; - a->argv[0] = ask; + /* shift arguments only if not yet done */ + if (a->argv[0] != ask) { + for (i = MAX_ARGS - 1; i >= 1; i--) + a->argv[i] = a->argv[i - 1]; + a->argv[0] = ask; + } a->respawn = 500; a->proc.cb = child_exit; @@ -200,9 +203,12 @@ static void askconsole(struct init_action *a) } a->tout.cb = respawn; - for (i = MAX_ARGS - 1; i >= 1; i--) - a->argv[i] = a->argv[i - 1]; - a->argv[0] = ask; + /* shift arguments only if not yet done */ + if (a->argv[0] != ask) { + for (i = MAX_ARGS - 1; i >= 1; i--) + a->argv[i] = a->argv[i - 1]; + a->argv[0] = ask; + } a->respawn = 500; a->proc.cb = child_exit; -- 2.30.2