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-rw-r--r--ipc/sem.c27
1 files changed, 5 insertions, 22 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index 1f7e28d1d25..0b45a4d383c 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -94,7 +94,7 @@
#define sem_buildid(id, seq) ipc_buildid(id, seq)
static int newary(struct ipc_namespace *, struct ipc_params *);
-static void freeary(struct ipc_namespace *, struct sem_array *);
+static void freeary(struct ipc_namespace *, struct kern_ipc_perm *);
#ifdef CONFIG_PROC_FS
static int sysvipc_sem_proc_show(struct seq_file *s, void *it);
#endif
@@ -129,25 +129,7 @@ void sem_init_ns(struct ipc_namespace *ns)
#ifdef CONFIG_IPC_NS
void sem_exit_ns(struct ipc_namespace *ns)
{
- struct sem_array *sma;
- struct kern_ipc_perm *perm;
- int next_id;
- int total, in_use;
-
- down_write(&sem_ids(ns).rw_mutex);
-
- in_use = sem_ids(ns).in_use;
-
- for (total = 0, next_id = 0; total < in_use; next_id++) {
- perm = idr_find(&sem_ids(ns).ipcs_idr, next_id);
- if (perm == NULL)
- continue;
- ipc_lock_by_ptr(perm);
- sma = container_of(perm, struct sem_array, sem_perm);
- freeary(ns, sma);
- total++;
- }
- up_write(&sem_ids(ns).rw_mutex);
+ free_ipcs(ns, &sem_ids(ns), freeary);
}
#endif
@@ -542,10 +524,11 @@ static int count_semzcnt (struct sem_array * sma, ushort semnum)
* as a writer and the spinlock for this semaphore set hold. sem_ids.rw_mutex
* remains locked on exit.
*/
-static void freeary(struct ipc_namespace *ns, struct sem_array *sma)
+static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
{
struct sem_undo *un;
struct sem_queue *q;
+ struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);
/* Invalidate the existing undo structures for this semaphore set.
* (They will be freed without any further action in exit_sem()
@@ -926,7 +909,7 @@ static int semctl_down(struct ipc_namespace *ns, int semid, int semnum,
switch(cmd){
case IPC_RMID:
- freeary(ns, sma);
+ freeary(ns, ipcp);
err = 0;
break;
case IPC_SET: