diff options
| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-14 16:29:08 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-14 16:29:08 +1100 |
| commit | c088f4e9da74b901f7ed1749ad697d77622ed0f9 (patch) | |
| tree | 84cddf20369f82f10c1c3712e6cce20dd1b9d863 /ipc | |
| parent | ce79735c12d62c3cda38eb31762cf98e87c7b087 (diff) | |
| parent | a6525042bfdfcab128bd91fad264de10fd24a55e (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/mqueue.c | 3 | ||||
| -rw-r--r-- | ipc/shm.c | 12 |
2 files changed, 14 insertions, 1 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index eddb6247a55..23fdb8492b8 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -505,7 +505,8 @@ 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 = task_tgid_vnr(current); + sig_i.si_pid = task_tgid_nr_ns(current, + ns_of_pid(info->notify_owner)); sig_i.si_uid = current_uid(); kill_pid_info(info->notify.sigev_signo, diff --git a/ipc/shm.c b/ipc/shm.c index b125b560240..d0ab5527bf4 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -990,6 +990,7 @@ asmlinkage long sys_shmdt(char __user *shmaddr) */ vma = find_vma(mm, addr); +#ifdef CONFIG_MMU while (vma) { next = vma->vm_next; @@ -1034,6 +1035,17 @@ asmlinkage long sys_shmdt(char __user *shmaddr) vma = next; } +#else /* CONFIG_MMU */ + /* under NOMMU conditions, the exact address to be destroyed must be + * given */ + retval = -EINVAL; + if (vma->vm_start == addr && vma->vm_ops == &shm_vm_ops) { + do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start); + retval = 0; + } + +#endif + up_write(&mm->mmap_sem); return retval; } |