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Message-Id: <20100904174308.409c070e.rdunlap@xenotime.net> Date: Sat, 4 Sep 2010 17:43:08 -0700 From: Randy Dunlap <rdunlap@...otime.net> To: runcoderen <runcoderzhcn@...il.com> Cc: linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: ldd scull_load question On Sun, 05 Sep 2010 08:35:14 +0800 runcoderen wrote: > hi all: > I am reading ldd(3rd). > when I read the scull_load part. > I can't understand some special sentences in the scripts as follows: > > /sbin/insmod ./$module.ko $* || exit 1 > > why we add $* and || exit 1 after /sbin/insmod ./$module.ko? > > can anyone help me to understand? "$*" passes all parameters of the script to the module as module parameters. "insmod module.ko || exit 1" means "if insmod is successful (no error), then the command is finished, otherwise exit with an error code of 1." Does that help? --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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