diff options
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index 39b65b69584..57a8346a270 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -217,11 +217,14 @@ static int alloc_pidmap(struct pid_namespace *pid_ns) return -1; } -int next_pidmap(struct pid_namespace *pid_ns, int last) +int next_pidmap(struct pid_namespace *pid_ns, unsigned int last) { int offset; struct pidmap *map, *end; + if (last >= PID_MAX_LIMIT) + return -1; + offset = (last + 1) & BITS_PER_PAGE_MASK; map = &pid_ns->pidmap[(last + 1)/BITS_PER_PAGE]; end = &pid_ns->pidmap[PIDMAP_ENTRIES]; @@ -435,6 +438,7 @@ struct pid *get_task_pid(struct task_struct *task, enum pid_type type) rcu_read_unlock(); return pid; } +EXPORT_SYMBOL_GPL(get_task_pid); struct task_struct *get_pid_task(struct pid *pid, enum pid_type type) { @@ -446,6 +450,7 @@ struct task_struct *get_pid_task(struct pid *pid, enum pid_type type) rcu_read_unlock(); return result; } +EXPORT_SYMBOL_GPL(get_pid_task); struct pid *find_get_pid(pid_t nr) { |