]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - ipc/shm.c
x86 PM: rename 32-bit files in arch/x86/power
[linux-2.6-omap-h63xx.git] / ipc / shm.c
index fe92471e19c71ff3d7b107777c3533df7e02e5fb..c47e87278a92d87acf6bdfefbb16ab73186c24b2 100644 (file)
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -83,8 +83,11 @@ void shm_init_ns(struct ipc_namespace *ns)
  * Called with shm_ids.rw_mutex (writer) and the shp structure locked.
  * Only shm_ids.rw_mutex remains locked on exit.
  */
-static void do_shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *shp)
+static void do_shm_rmid(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
 {
+       struct shmid_kernel *shp;
+       shp = container_of(ipcp, struct shmid_kernel, shm_perm);
+
        if (shp->shm_nattch){
                shp->shm_perm.mode |= SHM_DEST;
                /* Do not find it any more */
@@ -97,25 +100,7 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *shp)
 #ifdef CONFIG_IPC_NS
 void shm_exit_ns(struct ipc_namespace *ns)
 {
-       struct shmid_kernel *shp;
-       struct kern_ipc_perm *perm;
-       int next_id;
-       int total, in_use;
-
-       down_write(&shm_ids(ns).rw_mutex);
-
-       in_use = shm_ids(ns).in_use;
-
-       for (total = 0, next_id = 0; total < in_use; next_id++) {
-               perm = idr_find(&shm_ids(ns).ipcs_idr, next_id);
-               if (perm == NULL)
-                       continue;
-               ipc_lock_by_ptr(perm);
-               shp = container_of(perm, struct shmid_kernel, shm_perm);
-               do_shm_rmid(ns, shp);
-               total++;
-       }
-       up_write(&shm_ids(ns).rw_mutex);
+       free_ipcs(ns, &shm_ids(ns), do_shm_rmid);
 }
 #endif
 
@@ -832,7 +817,7 @@ asmlinkage long sys_shmctl (int shmid, int cmd, struct shmid_ds __user *buf)
                if (err)
                        goto out_unlock_up;
 
-               do_shm_rmid(ns, shp);
+               do_shm_rmid(ns, &shp->shm_perm);
                up_write(&shm_ids(ns).rw_mutex);
                goto out;
        }