diff options
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/msg.c | 5 | ||||
| -rw-r--r-- | ipc/sem.c | 10 | ||||
| -rw-r--r-- | ipc/shm.c | 5 | ||||
| -rw-r--r-- | ipc/util.h | 9 |
4 files changed, 12 insertions, 17 deletions
diff --git a/ipc/msg.c b/ipc/msg.c index 413bf9c7aec..4f1f2639350 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 019e21332dd..40ab34d832a 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 b27d31f3aab..05c97c7513c 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 bd47687077e..9ffea40457c 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); } |