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.
> > 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);
> >
