Re: [PATCH 03/30] ipcns: remove useless get/put while CLONE_NEWIPC

From: Serge E. Hallyn
Date: Fri Apr 10 2009 - 11:19:49 EST


Quoting Alexey Dobriyan (adobriyan@xxxxxxxxx):
> copy_ipcs() doesn't actually copy anything. If new ipcns is created,
> it's created from scratch, in this case get/put on old ipcns isn't needed.
>
> Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>

Yeah, I like this change just for the diffstat.

Acked-by: Serge Hallyn <serue@xxxxxxxxxx>

How about breaking these out from the c/r set?

thanks,
-serge

> ---
>
> ipc/namespace.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> --- a/ipc/namespace.c
> +++ b/ipc/namespace.c
> @@ -50,15 +50,11 @@ struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns)
> {
> struct ipc_namespace *new_ns;
>
> - BUG_ON(!ns);
> - get_ipc_ns(ns);
> -
> if (!(flags & CLONE_NEWIPC))
> - return ns;
> + return get_ipc_ns(ns);
>
> new_ns = clone_ipc_ns(ns);
>
> - put_ipc_ns(ns);
> return new_ns;
> }
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