ipc: remove unneeded parameters

Remvoe the unneeded parameters from ipc_checkid() and ipc_buildid()
interfaces.

Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 12 insertions, 17 deletions

diff --git a/ipc/msg.c b/ipc/msg.c
index 413bf9c7aec3..4f1f26393501 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -74,8 +74,7 @@ static struct ipc_ids init_msg_ids;
 #define msg_ids(ns)     (*((ns)->ids[IPC_MSG_IDS]))
 
 #define msg_unlock(msq)         ipc_unlock(&(msq)->q_perm)
-#define msg_buildid(ns, id, seq) \
-        ipc_buildid(&msg_ids(ns), id, seq)
+#define msg_buildid(id, seq)    ipc_buildid(id, seq)
 
 static void freeque(struct ipc_namespace *, struct msg_queue *);
 static int newque(struct ipc_namespace *, struct ipc_params *);
@@ -211,7 +210,7 @@ static int newque(struct ipc_namespace *ns, struct ipc_params *params)
                 return -ENOSPC;
         }
 
-        msq->q_perm.id = msg_buildid(ns, id, msq->q_perm.seq);
+        msq->q_perm.id = msg_buildid(id, msq->q_perm.seq);
         msq->q_stime = msq->q_rtime = 0;
         msq->q_ctime = get_seconds();
         msq->q_cbytes = msq->q_qnum = 0;
diff --git a/ipc/sem.c b/ipc/sem.c
index 019e21332dd6..40ab34d832a6 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -89,10 +89,8 @@
 #define sem_ids(ns)     (*((ns)->ids[IPC_SEM_IDS]))
 
 #define sem_unlock(sma)         ipc_unlock(&(sma)->sem_perm)
-#define sem_checkid(ns, sma, semid)     \
-        ipc_checkid(&sem_ids(ns),&sma->sem_perm,semid)
-#define sem_buildid(ns, id, seq) \
-        ipc_buildid(&sem_ids(ns), id, seq)
+#define sem_checkid(sma, semid) ipc_checkid(&sma->sem_perm, semid)
+#define sem_buildid(id, seq)    ipc_buildid(id, seq)
 
 static struct ipc_ids init_sem_ids;
 
@@ -292,7 +290,7 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
         }
         ns->used_sems += nsems;
 
-        sma->sem_perm.id = sem_buildid(ns, id, sma->sem_perm.seq);
+        sma->sem_perm.id = sem_buildid(id, sma->sem_perm.seq);
         sma->sem_base = (struct sem *) &sma[1];
         /* sma->sem_pending = NULL; */
         sma->sem_pending_last = &sma->sem_pending;
@@ -1386,7 +1384,7 @@ void exit_sem(struct task_struct *tsk)
                 if (u->semid == -1)
                         goto next_entry;
 
-                BUG_ON(sem_checkid(ns,sma,u->semid));
+                BUG_ON(sem_checkid(sma, u->semid));
 
                 /* remove u from the sma->undo list */
                 for (unp = &sma->undo; (un = *unp); unp = &un->id_next) {
diff --git a/ipc/shm.c b/ipc/shm.c
index b27d31f3aaba..05c97c7513c2 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -61,8 +61,7 @@ static struct ipc_ids init_shm_ids;
 
 #define shm_unlock(shp)                 \
         ipc_unlock(&(shp)->shm_perm)
-#define shm_buildid(ns, id, seq)        \
-        ipc_buildid(&shm_ids(ns), id, seq)
+#define shm_buildid(id, seq)    ipc_buildid(id, seq)
 
 static int newseg(struct ipc_namespace *, struct ipc_params *);
 static void shm_open(struct vm_area_struct *vma);
@@ -445,7 +444,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
         shp->shm_ctim = get_seconds();
         shp->shm_segsz = size;
         shp->shm_nattch = 0;
-        shp->shm_perm.id = shm_buildid(ns, id, shp->shm_perm.seq);
+        shp->shm_perm.id = shm_buildid(id, shp->shm_perm.seq);
         shp->shm_file = file;
         /*
          * shmid gets reported as "inode#" in /proc/pid/maps.
diff --git a/ipc/util.h b/ipc/util.h
index bd47687077e0..9ffea40457ce 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -134,7 +134,7 @@ extern int ipcget_new(struct ipc_namespace *, struct ipc_ids *,
 extern int ipcget_public(struct ipc_namespace *, struct ipc_ids *,
                         struct ipc_ops *, struct ipc_params *);
 
-static inline int ipc_buildid(struct ipc_ids *ids, int id, int seq)
+static inline int ipc_buildid(int id, int seq)
 {
         return SEQ_MULTIPLIER * seq + id;
 }
@@ -142,8 +142,7 @@ static inline int ipc_buildid(struct ipc_ids *ids, int id, int seq)
 /*
  * Must be called with ipcp locked
  */
-static inline int ipc_checkid(struct ipc_ids *ids, struct kern_ipc_perm *ipcp,
-                                int uid)
+static inline int ipc_checkid(struct kern_ipc_perm *ipcp, int uid)
 {
         if (uid / SEQ_MULTIPLIER != ipcp->seq)
                 return 1;
@@ -171,7 +170,7 @@ static inline struct kern_ipc_perm *ipc_lock_check_down(struct ipc_ids *ids,
         if (IS_ERR(out))
                 return out;
 
-        if (ipc_checkid(ids, out, id)) {
+        if (ipc_checkid(out, id)) {
                 ipc_unlock(out);
                 return ERR_PTR(-EIDRM);
         }
@@ -188,7 +187,7 @@ static inline struct kern_ipc_perm *ipc_lock_check(struct ipc_ids *ids,
         if (IS_ERR(out))
                 return out;
 
-        if (ipc_checkid(ids, out, id)) {
+        if (ipc_checkid(out, id)) {
                 ipc_unlock(out);
                 return ERR_PTR(-EIDRM);
         }