diff options
| author | Anton Altaparmakov <aia21@cantab.net> | 2005-09-19 09:47:49 +0100 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-09-19 09:47:49 +0100 |
| commit | 044a500e46742d39d22f1781cfb64ba93b463e39 (patch) | |
| tree | b0313211ea7ba26b90c1083ade0e4c9f486b87db /kernel | |
| parent | f6098cf449b81c14a51e48dd22ae47d03126a1de (diff) | |
| parent | 6c0741fbdee5bd0f8ed13ac287c4ab18e8ba7d83 (diff) | |
Merge branch 'master' of /home/src/linux-2.6/
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/exit.c | 6 | ||||
| -rw-r--r-- | kernel/fork.c | 3 | ||||
| -rw-r--r-- | kernel/sys.c | 3 |
3 files changed, 9 insertions, 3 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 6d2089a1bce7..ee6d8b8abef5 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -371,6 +371,12 @@ static inline void close_files(struct files_struct * files) struct fdtable *fdt; j = 0; + + /* + * It is safe to dereference the fd table without RCU or + * ->file_lock because this is the last reference to the + * files structure. + */ fdt = files_fdtable(files); for (;;) { unsigned long set; diff --git a/kernel/fork.c b/kernel/fork.c index 8149f3602881..533ce27f4b2c 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1062,7 +1062,8 @@ static task_t *copy_process(unsigned long clone_flags, * parent's CPU). This avoids alot of nasty races. */ p->cpus_allowed = current->cpus_allowed; - if (unlikely(!cpu_isset(task_cpu(p), p->cpus_allowed))) + if (unlikely(!cpu_isset(task_cpu(p), p->cpus_allowed) || + !cpu_online(task_cpu(p)))) set_task_cpu(p, smp_processor_id()); /* diff --git a/kernel/sys.c b/kernel/sys.c index c80412be2302..f723522e6986 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1728,8 +1728,7 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, error = put_user(current->pdeath_signal, (int __user *)arg2); break; case PR_GET_DUMPABLE: - if (current->mm->dumpable) - error = 1; + error = current->mm->dumpable; break; case PR_SET_DUMPABLE: if (arg2 < 0 || arg2 > 2) { |