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authorDavid S. Miller <davem@davemloft.net>2008-11-20 16:44:00 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-20 16:44:00 -0800
commit6ab33d51713d6d60c7677c0d020910a8cb37e513 (patch)
tree546c2ff099b2757e75cf34ddace874f1220f740e /ipc/util.c
parent7be6065b39c3f1cfa796667eac1a2170465acc91 (diff)
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/ixgbe/ixgbe_main.c include/net/mac80211.h net/phonet/af_phonet.c
Diffstat (limited to 'ipc/util.c')
-rw-r--r--ipc/util.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/ipc/util.c b/ipc/util.c
index 49b3ea615dc..361fd1c96fc 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -266,9 +266,17 @@ int ipc_addid(struct ipc_ids* ids, struct kern_ipc_perm* new, int size)
if (ids->in_use >= size)
return -ENOSPC;
+ spin_lock_init(&new->lock);
+ new->deleted = 0;
+ rcu_read_lock();
+ spin_lock(&new->lock);
+
err = idr_get_new(&ids->ipcs_idr, new, &id);
- if (err)
+ if (err) {
+ spin_unlock(&new->lock);
+ rcu_read_unlock();
return err;
+ }
ids->in_use++;
@@ -280,10 +288,6 @@ int ipc_addid(struct ipc_ids* ids, struct kern_ipc_perm* new, int size)
ids->seq = 0;
new->id = ipc_buildid(id, new->seq);
- spin_lock_init(&new->lock);
- new->deleted = 0;
- rcu_read_lock();
- spin_lock(&new->lock);
return id;
}