linux-kernel - Re: [patch 2/4] Timerfd v2

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Message-ID: <Pine.LNX.4.64.0711241250510.10489@alien.or.mcafeemobile.com>
Date:	Sat, 24 Nov 2007 12:52:27 -0800 (PST)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Michael Kerrisk <mtk.manpages@...glemail.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Michael Kerrisk <mtk-manpages@....net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [patch 2/4] Timerfd v2 - new timerfd API

On Sat, 24 Nov 2007, Michael Kerrisk wrote:

> > +asmlinkage long sys_timerfd_create(int clockid, int flags)
> >  {
> > -	int error;
> > +	int error, ufd;
> >  	struct timerfd_ctx *ctx;
> >  	struct file *file;
> >  	struct inode *inode;
> > -	struct itimerspec ktmr;
> > -
> > -	if (copy_from_user(&ktmr, utmr, sizeof(ktmr)))
> > -		return -EFAULT;
> >  
> >  	if (clockid != CLOCK_MONOTONIC &&
> >  	    clockid != CLOCK_REALTIME)
> >  		return -EINVAL;
> 
> Could I suggest here, the following placeholder addition:
> 
> 	if (flags != 0)
> 		return -EINVAL;

Make sense, will repost.


- Davide


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