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Commit 1b531f21 authored by Nadia Derbey's avatar Nadia Derbey Committed by Linus Torvalds
Browse files

ipc: remove unneeded parameters 



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

Signed-off-by: default avatarNadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3e148c79

ipc/msg.c

+2 −3
Original line number Diff line number Diff line
@@ -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;

ipc/sem.c

+4 −6
Original line number Diff line number Diff line
@@ -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) {

ipc/shm.c

+2 −3
Original line number Diff line number Diff line
@@ -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.

ipc/util.h

+4 −5
Original line number Diff line number Diff line
@@ -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);

	}