cpqarray: fix info leak in ida_locked_ioctl()

[karo-tx-linux.git] / ipc / util.h

diff --git a/ipc/util.h b/ipc/util.h
index 41a6c4d26399a12a99da9d4f817b7f25b7883304..c5f3338ba1fa7913967c1bc7e9845e0561eeb027 100644 (file)
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -94,10 +94,10 @@ void __init ipc_init_proc_interface(const char *path, const char *header,
 #define ipcid_to_idx(id) ((id) % SEQ_MULTIPLIER)
 #define ipcid_to_seqx(id) ((id) / SEQ_MULTIPLIER)
 
-/* must be called with ids->rw_mutex acquired for writing */
+/* must be called with ids->rwsem acquired for writing */
 int ipc_addid(struct ipc_ids *, struct kern_ipc_perm *, int);
 
-/* must be called with ids->rw_mutex acquired for reading */
+/* must be called with ids->rwsem acquired for reading */
 int ipc_get_maxid(struct ipc_ids *);
 
 /* must be called with both locks acquired. */
@@ -171,19 +171,12 @@ static inline void ipc_assert_locked_object(struct kern_ipc_perm *perm)
        assert_spin_locked(&perm->lock);
 }
 
-static inline void ipc_lock_by_ptr(struct kern_ipc_perm *perm)
-{
-       rcu_read_lock();
-       ipc_lock_object(perm);
-}
-
 static inline void ipc_unlock(struct kern_ipc_perm *perm)
 {
        ipc_unlock_object(perm);
        rcu_read_unlock();
 }
 
-struct kern_ipc_perm *ipc_lock_check(struct ipc_ids *ids, int id);
 struct kern_ipc_perm *ipc_obtain_object_check(struct ipc_ids *ids, int id);
 int ipcget(struct ipc_namespace *ns, struct ipc_ids *ids,
                        struct ipc_ops *ops, struct ipc_params *params);