> On Fri, 2020-10-23 at 13:16 +0300, Vasily Averin wrote:
> > On 10/23/20 1:01 PM, Zhang Qilong wrote:
> > > The normal path has only one slash.
> >
> > it is not normal path
> > this string is used to calculate number of symbols in
> > "net/%s/neigh/%s" used below
>
> Then probably better would be to add +1 rather than use a rather odd filename.
Hi, Joe
I use the splicing method to rewrite it in patch V2
[0001-neigh-Adjustment-calculation-method-of-neighbour-pat.patch], I think it
will be clearer. Looking forward to your reply.
Thanks, best wish to you.
Zhang Qilong
>
> > > diff --git a/net/core/neighbour.c b/net/core/neighbour.c
> []
> > > @@ -3623,7 +3623,7 @@ int neigh_sysctl_register(struct net_device *dev,
> struct neigh_parms *p,
> > > int i;
> > > struct neigh_sysctl_table *t;
> > > const char *dev_name_source;
> > > - char neigh_path[ sizeof("net//neigh/") + IFNAMSIZ + IFNAMSIZ ];
> > > + char neigh_path[sizeof("net/neigh/") + IFNAMSIZ + IFNAMSIZ];
> > > char *p_name;
> > >
> > >
> > > t = kmemdup(&neigh_sysctl_template, sizeof(*t), GFP_KERNEL);
> > >
>
