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ipc: remove unused functions

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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: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Davidlohr Bueso 2013-07-08 16:01:19 -07:00 committed by Linus Torvalds
parent 41a0d523d0
commit 9ad66ae65f
2 changed files with 0 additions and 26 deletions
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25
ipc/msg.c
View File

@ -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);

1
ipc/sem.c
View File

@ -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;
}