fs: remove dead config CONFIG_HAS_COMPAT_EPOLL_EVENT symbol
Remove dead config CONFIG_HAS_COMPAT_EPOLL_EVENT symbol. Signed-off-by: Jiri Olsa <olsajiri@gmail.com> Cc: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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2 changed files with 0 additions and 57 deletions
49
fs/compat.c
49
fs/compat.c
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@ -2083,51 +2083,6 @@ long asmlinkage compat_sys_nfsservctl(int cmd, void *notused, void *notused2)
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#ifdef CONFIG_EPOLL
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#ifdef CONFIG_HAS_COMPAT_EPOLL_EVENT
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asmlinkage long compat_sys_epoll_ctl(int epfd, int op, int fd,
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struct compat_epoll_event __user *event)
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{
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long err = 0;
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struct compat_epoll_event user;
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struct epoll_event __user *kernel = NULL;
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if (event) {
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if (copy_from_user(&user, event, sizeof(user)))
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return -EFAULT;
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kernel = compat_alloc_user_space(sizeof(struct epoll_event));
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err |= __put_user(user.events, &kernel->events);
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err |= __put_user(user.data, &kernel->data);
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}
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return err ? err : sys_epoll_ctl(epfd, op, fd, kernel);
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}
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asmlinkage long compat_sys_epoll_wait(int epfd,
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struct compat_epoll_event __user *events,
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int maxevents, int timeout)
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{
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long i, ret, err = 0;
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struct epoll_event __user *kbuf;
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struct epoll_event ev;
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if ((maxevents <= 0) ||
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(maxevents > (INT_MAX / sizeof(struct epoll_event))))
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return -EINVAL;
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kbuf = compat_alloc_user_space(sizeof(struct epoll_event) * maxevents);
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ret = sys_epoll_wait(epfd, kbuf, maxevents, timeout);
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for (i = 0; i < ret; i++) {
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err |= __get_user(ev.events, &kbuf[i].events);
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err |= __get_user(ev.data, &kbuf[i].data);
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err |= __put_user(ev.events, &events->events);
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err |= __put_user_unaligned(ev.data, &events->data);
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events++;
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}
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return err ? -EFAULT: ret;
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}
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#endif /* CONFIG_HAS_COMPAT_EPOLL_EVENT */
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#ifdef TIF_RESTORE_SIGMASK
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asmlinkage long compat_sys_epoll_pwait(int epfd,
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struct compat_epoll_event __user *events,
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@ -2153,11 +2108,7 @@ asmlinkage long compat_sys_epoll_pwait(int epfd,
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sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
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}
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#ifdef CONFIG_HAS_COMPAT_EPOLL_EVENT
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err = compat_sys_epoll_wait(epfd, events, maxevents, timeout);
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#else
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err = sys_epoll_wait(epfd, events, maxevents, timeout);
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#endif
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/*
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* If we changed the signal mask, we need to restore the original one.
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@ -257,16 +257,8 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
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/*
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* epoll (fs/eventpoll.c) compat bits follow ...
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*/
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#ifndef CONFIG_HAS_COMPAT_EPOLL_EVENT
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struct epoll_event;
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#define compat_epoll_event epoll_event
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#else
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asmlinkage long compat_sys_epoll_ctl(int epfd, int op, int fd,
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struct compat_epoll_event __user *event);
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asmlinkage long compat_sys_epoll_wait(int epfd,
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struct compat_epoll_event __user *events,
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int maxevents, int timeout);
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#endif
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asmlinkage long compat_sys_epoll_pwait(int epfd,
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struct compat_epoll_event __user *events,
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int maxevents, int timeout,
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