Commit 9ad66ae6 authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Linus Torvalds

ipc: remove unused functions

We can now drop the msg_lock and msg_lock_check functions along with a
bogus comment introduced previously in semctl_down.
Signed-off-by: 's avatarDavidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: 's avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: 's avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 41a0d523
......@@ -141,31 +141,6 @@ void __init msg_init(void)
IPC_MSG_IDS, sysvipc_msg_proc_show);
}
/*
* msg_lock_(check_) routines are called in the paths where the rw_mutex
* is not held.
*/
static inline struct msg_queue *msg_lock(struct ipc_namespace *ns, int id)
{
struct kern_ipc_perm *ipcp = ipc_lock(&msg_ids(ns), id);
if (IS_ERR(ipcp))
return (struct msg_queue *)ipcp;
return container_of(ipcp, struct msg_queue, q_perm);
}
static inline struct msg_queue *msg_lock_check(struct ipc_namespace *ns,
int id)
{
struct kern_ipc_perm *ipcp = ipc_lock_check(&msg_ids(ns), id);
if (IS_ERR(ipcp))
return (struct msg_queue *)ipcp;
return container_of(ipcp, struct msg_queue, q_perm);
}
static inline struct msg_queue *msq_obtain_object(struct ipc_namespace *ns, int id)
{
struct kern_ipc_perm *ipcp = ipc_obtain_object(&msg_ids(ns), id);
......
......@@ -1296,7 +1296,6 @@ static int semctl_down(struct ipc_namespace *ns, int semid,
&semid64.sem_perm, 0);
if (IS_ERR(ipcp)) {
err = PTR_ERR(ipcp);
/* the ipc lock is not held upon failure */
goto out_unlock1;
}
......
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