X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=blobdiff_plain;f=ipc%2Futil.c;h=69a0cc13d9669847cce05fd67fc2203ffdeacb9e;hp=5a1808c774a2f238746c9234ca40822eaff47fd9;hb=6db40cf047a8723095caf79f5569d21b388d7b31;hpb=ec98ce480ada787f2cfbd696980ff3564415505b diff --git a/ipc/util.c b/ipc/util.c index 5a1808c..69a0cc1 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -47,15 +47,6 @@ struct ipc_proc_iface { int (*show)(struct seq_file *, void *); }; -struct ipc_namespace init_ipc_ns = { - .kref = { - .refcount = ATOMIC_INIT(2), - }, -}; - -atomic_t nr_ipc_ns = ATOMIC_INIT(1); - - #ifdef CONFIG_MEMORY_HOTPLUG static void ipc_memory_notifier(struct work_struct *work) @@ -133,8 +124,8 @@ void ipc_init_ids(struct ipc_ids *ids) ids->seq = 0; { int seq_limit = INT_MAX/SEQ_MULTIPLIER; - if (seq_limit > USHORT_MAX) - ids->seq_max = USHORT_MAX; + if (seq_limit > USHRT_MAX) + ids->seq_max = USHRT_MAX; else ids->seq_max = seq_limit; } @@ -624,10 +615,9 @@ void ipc_rcu_putref(void *ptr) int ipcperms (struct kern_ipc_perm *ipcp, short flag) { /* flag will most probably be 0 or S_...UGO from */ uid_t euid = current_euid(); - int requested_mode, granted_mode, err; + int requested_mode, granted_mode; - if (unlikely((err = audit_ipc_obj(ipcp)))) - return err; + audit_ipc_obj(ipcp); requested_mode = (flag >> 6) | (flag >> 3) | flag; granted_mode = ipcp->mode; if (euid == ipcp->cuid || @@ -803,16 +793,10 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_ids *ids, int id, int cmd, goto out_up; } - err = audit_ipc_obj(ipcp); - if (err) - goto out_unlock; - - if (cmd == IPC_SET) { - err = audit_ipc_set_perm(extra_perm, perm->uid, + audit_ipc_obj(ipcp); + if (cmd == IPC_SET) + audit_ipc_set_perm(extra_perm, perm->uid, perm->gid, perm->mode); - if (err) - goto out_unlock; - } euid = current_euid(); if (euid == ipcp->cuid || @@ -820,7 +804,6 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_ids *ids, int id, int cmd, return ipcp; err = -EPERM; -out_unlock: ipc_unlock(ipcp); out_up: up_write(&ids->rw_mutex); @@ -959,7 +942,7 @@ static int sysvipc_proc_show(struct seq_file *s, void *it) return iface->show(s, it); } -static struct seq_operations sysvipc_proc_seqops = { +static const struct seq_operations sysvipc_proc_seqops = { .start = sysvipc_proc_start, .stop = sysvipc_proc_stop, .next = sysvipc_proc_next,