summaryrefslogtreecommitdiffstats
path: root/ipc
diff options
context:
space:
mode:
Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c2
-rw-r--r--ipc/msg.c8
-rw-r--r--ipc/sem.c6
-rw-r--r--ipc/shm.c12
-rw-r--r--ipc/util.c11
-rw-r--r--ipc/util.h8
6 files changed, 14 insertions, 33 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index a242c83d89d..145d5a0d299 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1253,7 +1253,7 @@ static int __init init_mqueue_fs(void)
mqueue_inode_cachep = kmem_cache_create("mqueue_inode_cache",
sizeof(struct mqueue_inode_info), 0,
- SLAB_HWCACHE_ALIGN, init_once, NULL);
+ SLAB_HWCACHE_ALIGN, init_once);
if (mqueue_inode_cachep == NULL)
return -ENOMEM;
diff --git a/ipc/msg.c b/ipc/msg.c
index a388824740e..a03fcb522ff 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -87,7 +87,7 @@ static int newque (struct ipc_namespace *ns, key_t key, int msgflg);
static int sysvipc_msg_proc_show(struct seq_file *s, void *it);
#endif
-static void __ipc_init __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
+static void __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
{
ns->ids[IPC_MSG_IDS] = ids;
ns->msg_ctlmax = MSGMAX;
@@ -96,7 +96,6 @@ static void __ipc_init __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *i
ipc_init_ids(ids, ns->msg_ctlmni);
}
-#ifdef CONFIG_IPC_NS
int msg_init_ns(struct ipc_namespace *ns)
{
struct ipc_ids *ids;
@@ -128,7 +127,6 @@ void msg_exit_ns(struct ipc_namespace *ns)
kfree(ns->ids[IPC_MSG_IDS]);
ns->ids[IPC_MSG_IDS] = NULL;
}
-#endif
void __init msg_init(void)
{
@@ -387,7 +385,7 @@ copy_msqid_from_user(struct msq_setbuf *out, void __user *buf, int version)
asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
{
struct kern_ipc_perm *ipcp;
- struct msq_setbuf setbuf;
+ struct msq_setbuf uninitialized_var(setbuf);
struct msg_queue *msq;
int err, version;
struct ipc_namespace *ns;
@@ -511,7 +509,7 @@ asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
err = audit_ipc_obj(ipcp);
if (err)
goto out_unlock_up;
- if (cmd==IPC_SET) {
+ if (cmd == IPC_SET) {
err = audit_ipc_set_perm(setbuf.qbytes, setbuf.uid, setbuf.gid,
setbuf.mode);
if (err)
diff --git a/ipc/sem.c b/ipc/sem.c
index 9964b2224c7..b676fef6d20 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -121,7 +121,7 @@ static int sysvipc_sem_proc_show(struct seq_file *s, void *it);
#define sc_semopm sem_ctls[2]
#define sc_semmni sem_ctls[3]
-static void __ipc_init __sem_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
+static void __sem_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
{
ns->ids[IPC_SEM_IDS] = ids;
ns->sc_semmsl = SEMMSL;
@@ -132,7 +132,6 @@ static void __ipc_init __sem_init_ns(struct ipc_namespace *ns, struct ipc_ids *i
ipc_init_ids(ids, ns->sc_semmni);
}
-#ifdef CONFIG_IPC_NS
int sem_init_ns(struct ipc_namespace *ns)
{
struct ipc_ids *ids;
@@ -164,7 +163,6 @@ void sem_exit_ns(struct ipc_namespace *ns)
kfree(ns->ids[IPC_SEM_IDS]);
ns->ids[IPC_SEM_IDS] = NULL;
}
-#endif
void __init sem_init (void)
{
@@ -858,7 +856,7 @@ static int semctl_down(struct ipc_namespace *ns, int semid, int semnum,
{
struct sem_array *sma;
int err;
- struct sem_setbuf setbuf;
+ struct sem_setbuf uninitialized_var(setbuf);
struct kern_ipc_perm *ipcp;
if(cmd == IPC_SET) {
diff --git a/ipc/shm.c b/ipc/shm.c
index 0852f206d89..d0259e3ad1c 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -77,7 +77,7 @@ static void shm_destroy (struct ipc_namespace *ns, struct shmid_kernel *shp);
static int sysvipc_shm_proc_show(struct seq_file *s, void *it);
#endif
-static void __ipc_init __shm_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
+static void __shm_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
{
ns->ids[IPC_SHM_IDS] = ids;
ns->shm_ctlmax = SHMMAX;
@@ -98,7 +98,6 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *shp)
shm_destroy(ns, shp);
}
-#ifdef CONFIG_IPC_NS
int shm_init_ns(struct ipc_namespace *ns)
{
struct ipc_ids *ids;
@@ -130,7 +129,6 @@ void shm_exit_ns(struct ipc_namespace *ns)
kfree(ns->ids[IPC_SHM_IDS]);
ns->ids[IPC_SHM_IDS] = NULL;
}
-#endif
void __init shm_init (void)
{
@@ -226,13 +224,12 @@ static void shm_close(struct vm_area_struct *vma)
mutex_unlock(&shm_ids(ns).mutex);
}
-static struct page *shm_nopage(struct vm_area_struct *vma,
- unsigned long address, int *type)
+static int shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct file *file = vma->vm_file;
struct shm_file_data *sfd = shm_file_data(file);
- return sfd->vm_ops->nopage(vma, address, type);
+ return sfd->vm_ops->fault(vma, vmf);
}
#ifdef CONFIG_NUMA
@@ -271,6 +268,7 @@ static int shm_mmap(struct file * file, struct vm_area_struct * vma)
if (ret != 0)
return ret;
sfd->vm_ops = vma->vm_ops;
+ BUG_ON(!sfd->vm_ops->fault);
vma->vm_ops = &shm_vm_ops;
shm_open(vma);
@@ -329,7 +327,7 @@ static const struct file_operations shm_file_operations = {
static struct vm_operations_struct shm_vm_ops = {
.open = shm_open, /* callback for a new vm-area open */
.close = shm_close, /* callback for when the vm-area is released */
- .nopage = shm_nopage,
+ .fault = shm_fault,
#if defined(CONFIG_NUMA)
.set_policy = shm_set_policy,
.get_policy = shm_get_policy,
diff --git a/ipc/util.c b/ipc/util.c
index 7536a7292d4..44e5135aee4 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -50,7 +50,6 @@ struct ipc_namespace init_ipc_ns = {
},
};
-#ifdef CONFIG_IPC_NS
static struct ipc_namespace *clone_ipc_ns(struct ipc_namespace *old_ns)
{
int err;
@@ -110,14 +109,6 @@ void free_ipc_ns(struct kref *kref)
shm_exit_ns(ns);
kfree(ns);
}
-#else
-struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns)
-{
- if (flags & CLONE_NEWIPC)
- return ERR_PTR(-EINVAL);
- return ns;
-}
-#endif
/**
* ipc_init - initialise IPC subsystem
@@ -145,7 +136,7 @@ __initcall(ipc_init);
* array itself.
*/
-void __ipc_init ipc_init_ids(struct ipc_ids* ids, int size)
+void ipc_init_ids(struct ipc_ids* ids, int size)
{
int i;
diff --git a/ipc/util.h b/ipc/util.h
index e3aa2c5c97d..333e891bcac 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -41,12 +41,8 @@ struct ipc_ids {
};
struct seq_file;
-#ifdef CONFIG_IPC_NS
-#define __ipc_init
-#else
-#define __ipc_init __init
-#endif
-void __ipc_init ipc_init_ids(struct ipc_ids *ids, int size);
+
+void ipc_init_ids(struct ipc_ids *ids, int size);
#ifdef CONFIG_PROC_FS
void __init ipc_init_proc_interface(const char *path, const char *header,
int ids, int (*show)(struct seq_file *, void *));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 06:49:42 +0000