Re: [PATCH 4/7] cgroup: update and fix parsing of "cgroup.subtree_control"

[Tejun Heo]

On Tue, May 13, 2014 at 11:51:51AM +0800, Li Zefan wrote:
> > diff --git a/kernel/cgroup.c b/kernel/cgroup.c
> > index 35daf89..b81e7c0 100644
> > --- a/kernel/cgroup.c
> > +++ b/kernel/cgroup.c
> > @@ -2542,11 +2542,13 @@ static int cgroup_subtree_control_write(struct cgroup_subsys_state *dummy_css,
> >  	int ssid, ret;
> >  
> >  	/*
> > -	 * Parse input - white space separated list of subsystem names
> > -	 * prefixed with either + or -.
> > +	 * Parse input - space separated list of subsystem names prefixed
> > +	 * with either + or -.
> >  	 */
> >  	p = buffer;
> > -	while ((tok = strsep(&p, " \t\n"))) {
> > +	while ((tok = strsep(&p, " "))) {
> > +		if (tok[0] =='\0')
> 
> if (tok[0] == '\0')

Oops, updated.

Thanks.

-- 
tejun
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