From 64424289dd2e37b4800df1f7f2ef4fe550f58729 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 17 Jun 2009 16:27:54 -0700
Subject: [PATCH] ipcns: remove useless get/put while CLONE_NEWIPC
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@gmail.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
ipc/namespace.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/ipc/namespace.c b/ipc/namespace.c
index 4a5e752a92766..a56fc598a8071 100644
--- 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;
}
--
GitLab