X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=ipc%2Fmqueue.c;h=6ca7b97114f3c599d1fbb5c7beea0f7003bd4217;hb=a067d9ac39cd207b5a0994c73199a56e7d5a17a3;hp=24df3347ad4b4ca47d60a8f6c33f4e4d9dea1c40;hpb=37ca506adc395a028cd12760eca419dd0dc14b5c;p=linux-2.6-omap-h63xx.git diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 24df3347ad4..6ca7b97114f 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -29,6 +29,8 @@ #include #include #include +#include +#include #include #include "util.h" @@ -44,12 +46,6 @@ #define STATE_PENDING 1 #define STATE_READY 2 -/* used by sysctl */ -#define FS_MQUEUE 1 -#define CTL_QUEUESMAX 2 -#define CTL_MSGMAX 3 -#define CTL_MSGSIZEMAX 4 - /* default values */ #define DFLT_QUEUESMAX 256 /* max number of message queues */ #define DFLT_MSGMAX 10 /* max number of messages in each queue */ @@ -211,7 +207,7 @@ static int mqueue_get_sb(struct file_system_type *fs_type, return get_sb_single(fs_type, flags, data, mqueue_fill_super, mnt); } -static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct mqueue_inode_info *p = (struct mqueue_inode_info *) foo; @@ -336,7 +332,8 @@ static ssize_t mqueue_read_file(struct file *filp, char __user *u_data, (info->notify_owner && info->notify.sigev_notify == SIGEV_SIGNAL) ? info->notify.sigev_signo : 0, - pid_nr(info->notify_owner)); + pid_nr_ns(info->notify_owner, + current->nsproxy->pid_ns)); spin_unlock(&info->lock); buffer[sizeof(buffer)-1] = '\0'; slen = strlen(buffer)+1; @@ -513,7 +510,7 @@ static void __do_notify(struct mqueue_inode_info *info) sig_i.si_errno = 0; sig_i.si_code = SI_MESGQ; sig_i.si_value = info->notify.sigev_value; - sig_i.si_pid = current->tgid; + sig_i.si_pid = task_pid_vnr(current); sig_i.si_uid = current->uid; kill_pid_info(info->notify.sigev_signo, @@ -679,7 +676,7 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, if (oflag & O_CREAT) { if (dentry->d_inode) { /* entry already exists */ - audit_inode(name, dentry->d_inode); + audit_inode(name, dentry); error = -EEXIST; if (oflag & O_EXCL) goto out; @@ -692,7 +689,7 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, error = -ENOENT; if (!dentry->d_inode) goto out; - audit_inode(name, dentry->d_inode); + audit_inode(name, dentry); filp = do_open(dentry, oflag); } @@ -840,7 +837,7 @@ asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr, if (unlikely(filp->f_op != &mqueue_file_operations)) goto out_fput; info = MQUEUE_I(inode); - audit_inode(NULL, inode); + audit_inode(NULL, filp->f_path.dentry); if (unlikely(!(filp->f_mode & FMODE_WRITE))) goto out_fput; @@ -924,7 +921,7 @@ asmlinkage ssize_t sys_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr, if (unlikely(filp->f_op != &mqueue_file_operations)) goto out_fput; info = MQUEUE_I(inode); - audit_inode(NULL, inode); + audit_inode(NULL, filp->f_path.dentry); if (unlikely(!(filp->f_mode & FMODE_READ))) goto out_fput; @@ -1013,6 +1010,8 @@ asmlinkage long sys_mq_notify(mqd_t mqdes, return -EINVAL; } if (notification.sigev_notify == SIGEV_THREAD) { + long timeo; + /* create the notify skb */ nc = alloc_skb(NOTIFY_COOKIE_LEN, GFP_KERNEL); ret = -ENOMEM; @@ -1041,8 +1040,8 @@ retry: goto out; } - ret = netlink_attachskb(sock, nc, 0, - MAX_SCHEDULE_TIMEOUT, NULL); + timeo = MAX_SCHEDULE_TIMEOUT; + ret = netlink_attachskb(sock, nc, 0, &timeo, NULL); if (ret == 1) goto retry; if (ret) { @@ -1139,8 +1138,10 @@ asmlinkage long sys_mq_getsetattr(mqd_t mqdes, omqstat.mq_flags = filp->f_flags & O_NONBLOCK; if (u_mqstat) { ret = audit_mq_getsetattr(mqdes, &mqstat); - if (ret != 0) - goto out; + if (ret != 0) { + spin_unlock(&info->lock); + goto out_fput; + } if (mqstat.mq_flags & O_NONBLOCK) filp->f_flags |= O_NONBLOCK; else @@ -1196,7 +1197,6 @@ static int msg_maxsize_limit_max = INT_MAX; static ctl_table mq_sysctls[] = { { - .ctl_name = CTL_QUEUESMAX, .procname = "queues_max", .data = &queues_max, .maxlen = sizeof(int), @@ -1204,7 +1204,6 @@ static ctl_table mq_sysctls[] = { .proc_handler = &proc_dointvec, }, { - .ctl_name = CTL_MSGMAX, .procname = "msg_max", .data = &msg_max, .maxlen = sizeof(int), @@ -1214,7 +1213,6 @@ static ctl_table mq_sysctls[] = { .extra2 = &msg_max_limit_max, }, { - .ctl_name = CTL_MSGSIZEMAX, .procname = "msgsize_max", .data = &msgsize_max, .maxlen = sizeof(int), @@ -1228,7 +1226,6 @@ static ctl_table mq_sysctls[] = { static ctl_table mq_sysctl_dir[] = { { - .ctl_name = FS_MQUEUE, .procname = "mqueue", .mode = 0555, .child = mq_sysctls,