Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal

[~andy/linux] / fs / compat.c

diff --git a/fs/compat.c b/fs/compat.c
index d487985dd0ead4261079ff4157d7245d2ea6e2bb..5f83ffa421154c862fb1fbc0a649f77b1a6b9558 100644 (file)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -44,7 +44,6 @@
 #include <linux/signal.h>
 #include <linux/poll.h>
 #include <linux/mm.h>
-#include <linux/eventpoll.h>
 #include <linux/fs_struct.h>
 #include <linux/slab.h>
 #include <linux/pagemap.h>
@@ -1253,26 +1252,6 @@ compat_sys_pwritev(unsigned long fd, const struct compat_iovec __user *vec,
        return compat_sys_pwritev64(fd, vec, vlen, pos);
 }
 
-asmlinkage long
-compat_sys_vmsplice(int fd, const struct compat_iovec __user *iov32,
-                   unsigned int nr_segs, unsigned int flags)
-{
-       unsigned i;
-       struct iovec __user *iov;
-       if (nr_segs > UIO_MAXIOV)
-               return -EINVAL;
-       iov = compat_alloc_user_space(nr_segs * sizeof(struct iovec));
-       for (i = 0; i < nr_segs; i++) {
-               struct compat_iovec v;
-               if (get_user(v.iov_base, &iov32[i].iov_base) ||
-                   get_user(v.iov_len, &iov32[i].iov_len) ||
-                   put_user(compat_ptr(v.iov_base), &iov[i].iov_base) ||
-                   put_user(v.iov_len, &iov[i].iov_len))
-                       return -EFAULT;
-       }
-       return sys_vmsplice(fd, iov, nr_segs, flags);
-}
-
 /*
  * Exactly like fs/open.c:sys_open(), except that it doesn't set the
  * O_LARGEFILE flag.
@@ -1658,84 +1637,6 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
        return ret;
 }
 
-#ifdef CONFIG_EPOLL
-
-asmlinkage long compat_sys_epoll_pwait(int epfd,
-                       struct compat_epoll_event __user *events,
-                       int maxevents, int timeout,
-                       const compat_sigset_t __user *sigmask,
-                       compat_size_t sigsetsize)
-{
-       long err;
-       compat_sigset_t csigmask;
-       sigset_t ksigmask, sigsaved;
-
-       /*
-        * If the caller wants a certain signal mask to be set during the wait,
-        * we apply it here.
-        */
-       if (sigmask) {
-               if (sigsetsize != sizeof(compat_sigset_t))
-                       return -EINVAL;
-               if (copy_from_user(&csigmask, sigmask, sizeof(csigmask)))
-                       return -EFAULT;
-               sigset_from_compat(&ksigmask, &csigmask);
-               sigdelsetmask(&ksigmask, sigmask(SIGKILL) | sigmask(SIGSTOP));
-               sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
-       }
-
-       err = sys_epoll_wait(epfd, events, maxevents, timeout);
-
-       /*
-        * If we changed the signal mask, we need to restore the original one.
-        * In case we've got a signal while waiting, we do not restore the
-        * signal mask yet, and we allow do_signal() to deliver the signal on
-        * the way back to userspace, before the signal mask is restored.
-        */
-       if (sigmask) {
-               if (err == -EINTR) {
-                       memcpy(&current->saved_sigmask, &sigsaved,
-                              sizeof(sigsaved));
-                       set_restore_sigmask();
-               } else
-                       sigprocmask(SIG_SETMASK, &sigsaved, NULL);
-       }
-
-       return err;
-}
-
-#endif /* CONFIG_EPOLL */
-
-#ifdef CONFIG_SIGNALFD
-
-asmlinkage long compat_sys_signalfd4(int ufd,
-                                    const compat_sigset_t __user *sigmask,
-                                    compat_size_t sigsetsize, int flags)
-{
-       compat_sigset_t ss32;
-       sigset_t tmp;
-       sigset_t __user *ksigmask;
-
-       if (sigsetsize != sizeof(compat_sigset_t))
-               return -EINVAL;
-       if (copy_from_user(&ss32, sigmask, sizeof(ss32)))
-               return -EFAULT;
-       sigset_from_compat(&tmp, &ss32);
-       ksigmask = compat_alloc_user_space(sizeof(sigset_t));
-       if (copy_to_user(ksigmask, &tmp, sizeof(sigset_t)))
-               return -EFAULT;
-
-       return sys_signalfd4(ufd, ksigmask, sizeof(sigset_t), flags);
-}
-
-asmlinkage long compat_sys_signalfd(int ufd,
-                                   const compat_sigset_t __user *sigmask,
-                                   compat_size_t sigsetsize)
-{
-       return compat_sys_signalfd4(ufd, sigmask, sigsetsize, 0);
-}
-#endif /* CONFIG_SIGNALFD */
-
 #ifdef CONFIG_FHANDLE
 /*
  * Exactly like fs/open.c:sys_open_by_handle_at(), except that it
@@ -1747,25 +1648,3 @@ COMPAT_SYSCALL_DEFINE3(open_by_handle_at, int, mountdirfd,
        return do_handle_open(mountdirfd, handle, flags);
 }
 #endif
-
-#ifdef __ARCH_WANT_COMPAT_SYS_SENDFILE
-asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
-                                   compat_off_t __user *offset, compat_size_t count)
-{
-       loff_t pos;
-       off_t off;
-       ssize_t ret;
-
-       if (offset) {
-               if (unlikely(get_user(off, offset)))
-                       return -EFAULT;
-               pos = off;
-               ret = do_sendfile(out_fd, in_fd, &pos, count, MAX_NON_LFS);
-               if (unlikely(put_user(pos, offset)))
-                       return -EFAULT;
-               return ret;
-       }
-
-       return do_sendfile(out_fd, in_fd, NULL, count, 0);
-}
-#endif /* __ARCH_WANT_COMPAT_SYS_SENDFILE */