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authorAlexey Dobriyan <adobriyan@gmail.com>2009-06-17 16:27:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:03:55 -0700
commit64424289dd2e37b4800df1f7f2ef4fe550f58729 (patch)
tree15e33fc3c1e46e423b964998785ba45927e1d83b /ipc/namespace.c
parent4c2a7e72d5937c6a112141c7ff3df0727b3cf3df (diff)
downloadlinux-64424289dd2e37b4800df1f7f2ef4fe550f58729.tar.gz
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>
Diffstat (limited to 'ipc/namespace.c')
-rw-r--r--ipc/namespace.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/ipc/namespace.c b/ipc/namespace.c
index 4a5e752a927..a56fc598a80 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;
}