diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 1fe9f1772a28..fde2396342b6 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1399,50 +1399,6 @@ static struct epitem *ep_find(struct eventpoll *ep, struct file *file, int fd) return epir; } -#ifdef CONFIG_KCMP -static struct epitem *ep_find_tfd(struct eventpoll *ep, int tfd, unsigned long toff) -{ - struct rb_node *rbp; - struct epitem *epi; - - for (rbp = rb_first_cached(&ep->rbr); rbp; rbp = rb_next(rbp)) { - epi = rb_entry(rbp, struct epitem, rbn); - if (epi->ffd.fd == tfd) { - if (toff == 0) - return epi; - else - toff--; - } - cond_resched(); - } - - return NULL; -} - -struct file *get_epoll_tfile_raw_ptr(struct file *file, int tfd, - unsigned long toff) -{ - struct file *file_raw; - struct eventpoll *ep; - struct epitem *epi; - - if (!is_file_epoll(file)) - return ERR_PTR(-EINVAL); - - ep = file->private_data; - - mutex_lock(&ep->mtx); - epi = ep_find_tfd(ep, tfd, toff); - if (epi) - file_raw = epi->ffd.file; - else - file_raw = ERR_PTR(-ENOENT); - mutex_unlock(&ep->mtx); - - return file_raw; -} -#endif /* CONFIG_KCMP */ - /* * This is the callback that is passed to the wait queue wakeup * mechanism. It is called by the stored file descriptors when they @@ -2733,6 +2689,50 @@ SYSCALL_DEFINE6(epoll_pwait2, int, epfd, struct epoll_event __user *, events, sigmask, sigsetsize); } +#ifdef CONFIG_KCMP +static struct epitem *ep_find_tfd(struct eventpoll *ep, int tfd, unsigned long toff) +{ + struct rb_node *rbp; + struct epitem *epi; + + for (rbp = rb_first_cached(&ep->rbr); rbp; rbp = rb_next(rbp)) { + epi = rb_entry(rbp, struct epitem, rbn); + if (epi->ffd.fd == tfd) { + if (toff == 0) + return epi; + else + toff--; + } + cond_resched(); + } + + return NULL; +} + +struct file *get_epoll_tfile_raw_ptr(struct file *file, int tfd, + unsigned long toff) +{ + struct file *file_raw; + struct eventpoll *ep; + struct epitem *epi; + + if (!is_file_epoll(file)) + return ERR_PTR(-EINVAL); + + ep = file->private_data; + + mutex_lock(&ep->mtx); + epi = ep_find_tfd(ep, tfd, toff); + if (epi) + file_raw = epi->ffd.file; + else + file_raw = ERR_PTR(-ENOENT); + mutex_unlock(&ep->mtx); + + return file_raw; +} +#endif /* CONFIG_KCMP */ + #ifdef CONFIG_COMPAT static int do_compat_epoll_pwait(int epfd, struct epoll_event __user *events, int maxevents, struct timespec64 *timeout,