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| author | Paul Mackerras <paulus@samba.org> | 2006-12-04 15:59:07 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-12-04 15:59:07 +1100 |
| commit | 79acbb3ff2d8095b692e1502b9eb2ccec348de26 (patch) | |
| tree | 6ab773e5a8f9de2cd6443362b21d0d6fffe3b35e /ipc | |
| parent | 19a79859e168640f8e16d7b216d211c1c52b687a (diff) | |
| parent | 2b5f6dcce5bf94b9b119e9ed8d537098ec61c3d2 (diff) | |
| download | linux-3.10-79acbb3ff2d8095b692e1502b9eb2ccec348de26.tar.gz linux-3.10-79acbb3ff2d8095b692e1502b9eb2ccec348de26.tar.bz2 linux-3.10-79acbb3ff2d8095b692e1502b9eb2ccec348de26.zip | |
Merge branch 'linux-2.6' into for-linus
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/msg.c | 3 | ||||
| -rw-r--r-- | ipc/sem.c | 1 | ||||
| -rw-r--r-- | ipc/shm.c | 1 | ||||
| -rw-r--r-- | ipc/util.c | 2 | ||||
| -rw-r--r-- | ipc/util.h | 12 |
5 files changed, 17 insertions, 2 deletions
diff --git a/ipc/msg.c b/ipc/msg.c index 5b213d95254..1266b1d0c8e 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -52,7 +52,7 @@ struct msg_receiver { long r_msgtype; long r_maxsize; - volatile struct msg_msg *r_msg; + struct msg_msg *volatile r_msg; }; /* one msg_sender for each sleeping sender */ @@ -124,6 +124,7 @@ void msg_exit_ns(struct ipc_namespace *ns) } mutex_unlock(&msg_ids(ns).mutex); + ipc_fini_ids(ns->ids[IPC_MSG_IDS]); kfree(ns->ids[IPC_MSG_IDS]); ns->ids[IPC_MSG_IDS] = NULL; } diff --git a/ipc/sem.c b/ipc/sem.c index 0dafcc455f9..21b3289d640 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -161,6 +161,7 @@ void sem_exit_ns(struct ipc_namespace *ns) } mutex_unlock(&sem_ids(ns).mutex); + ipc_fini_ids(ns->ids[IPC_SEM_IDS]); kfree(ns->ids[IPC_SEM_IDS]); ns->ids[IPC_SEM_IDS] = NULL; } diff --git a/ipc/shm.c b/ipc/shm.c index bfbd317ec11..d1198dd07a1 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -116,6 +116,7 @@ void shm_exit_ns(struct ipc_namespace *ns) } mutex_unlock(&shm_ids(ns).mutex); + ipc_fini_ids(ns->ids[IPC_SHM_IDS]); kfree(ns->ids[IPC_SHM_IDS]); ns->ids[IPC_SHM_IDS] = NULL; } diff --git a/ipc/util.c b/ipc/util.c index 42479e4eec5..cd8bb14a431 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -301,7 +301,7 @@ static int grow_ary(struct ipc_ids* ids, int newsize) */ rcu_assign_pointer(ids->entries, new); - ipc_rcu_putref(old); + __ipc_fini_ids(ids, old); return newsize; } diff --git a/ipc/util.h b/ipc/util.h index c8fd6b9d77b..e3aa2c5c97d 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -83,6 +83,18 @@ void* ipc_rcu_alloc(int size); void ipc_rcu_getref(void *ptr); void ipc_rcu_putref(void *ptr); +static inline void __ipc_fini_ids(struct ipc_ids *ids, + struct ipc_id_ary *entries) +{ + if (entries != &ids->nullentry) + ipc_rcu_putref(entries); +} + +static inline void ipc_fini_ids(struct ipc_ids *ids) +{ + __ipc_fini_ids(ids, ids->entries); +} + struct kern_ipc_perm* ipc_get(struct ipc_ids* ids, int id); struct kern_ipc_perm* ipc_lock(struct ipc_ids* ids, int id); void ipc_lock_by_ptr(struct kern_ipc_perm *ipcp); |