Quoting Alexey Dobriyan (adobriyan@xxxxxxxxx):
> create_uts_ns() will be used by C/R to create fresh uts_ns.
>
> Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Acked-by: Serge Hallyn <serue@xxxxxxxxxx>
> ---
> kernel/utsname.c | 13 +++++++++++--
> 1 files changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/utsname.c b/kernel/utsname.c
> index 815237a..8a82b4b 100644
> --- a/kernel/utsname.c
> +++ b/kernel/utsname.c
> @@ -15,6 +15,16 @@
> #include <linux/err.h>
> #include <linux/slab.h>
>
> +static struct uts_namespace *create_uts_ns(void)
> +{
> + struct uts_namespace *uts_ns;
> +
> + uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
> + if (uts_ns)
> + kref_init(&uts_ns->kref);
> + return uts_ns;
> +}
> +
> /*
> * Clone a new ns copying an original utsname, setting refcount to 1
> * @old_ns: namespace to clone
> @@ -24,14 +34,13 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns)
> {
> struct uts_namespace *ns;
>
> - ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
> + ns = create_uts_ns();
> if (!ns)
> return ERR_PTR(-ENOMEM);
>
> down_read(&uts_sem);
> memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
> up_read(&uts_sem);
> - kref_init(&ns->kref);
> return ns;
> }
>
> --
> 1.5.6.5
>
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