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>
diff --git a/fs/compat.c b/fs/compat.c
index 69baca5..ee80ff3 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -2083,51 +2083,6 @@
#ifdef CONFIG_EPOLL
-#ifdef CONFIG_HAS_COMPAT_EPOLL_EVENT
-asmlinkage long compat_sys_epoll_ctl(int epfd, int op, int fd,
- struct compat_epoll_event __user *event)
-{
- long err = 0;
- struct compat_epoll_event user;
- struct epoll_event __user *kernel = NULL;
-
- if (event) {
- if (copy_from_user(&user, event, sizeof(user)))
- return -EFAULT;
- kernel = compat_alloc_user_space(sizeof(struct epoll_event));
- err |= __put_user(user.events, &kernel->events);
- err |= __put_user(user.data, &kernel->data);
- }
-
- return err ? err : sys_epoll_ctl(epfd, op, fd, kernel);
-}
-
-
-asmlinkage long compat_sys_epoll_wait(int epfd,
- struct compat_epoll_event __user *events,
- int maxevents, int timeout)
-{
- long i, ret, err = 0;
- struct epoll_event __user *kbuf;
- struct epoll_event ev;
-
- if ((maxevents <= 0) ||
- (maxevents > (INT_MAX / sizeof(struct epoll_event))))
- return -EINVAL;
- kbuf = compat_alloc_user_space(sizeof(struct epoll_event) * maxevents);
- ret = sys_epoll_wait(epfd, kbuf, maxevents, timeout);
- for (i = 0; i < ret; i++) {
- err |= __get_user(ev.events, &kbuf[i].events);
- err |= __get_user(ev.data, &kbuf[i].data);
- err |= __put_user(ev.events, &events->events);
- err |= __put_user_unaligned(ev.data, &events->data);
- events++;
- }
-
- return err ? -EFAULT: ret;
-}
-#endif /* CONFIG_HAS_COMPAT_EPOLL_EVENT */
-
#ifdef TIF_RESTORE_SIGMASK
asmlinkage long compat_sys_epoll_pwait(int epfd,
struct compat_epoll_event __user *events,
@@ -2153,11 +2108,7 @@
sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
}
-#ifdef CONFIG_HAS_COMPAT_EPOLL_EVENT
- err = compat_sys_epoll_wait(epfd, events, maxevents, timeout);
-#else
err = sys_epoll_wait(epfd, events, maxevents, timeout);
-#endif
/*
* If we changed the signal mask, we need to restore the original one.
diff --git a/include/linux/compat.h b/include/linux/compat.h
index ae0a483..a671dbf 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -257,16 +257,8 @@
/*
* epoll (fs/eventpoll.c) compat bits follow ...
*/
-#ifndef CONFIG_HAS_COMPAT_EPOLL_EVENT
struct epoll_event;
#define compat_epoll_event epoll_event
-#else
-asmlinkage long compat_sys_epoll_ctl(int epfd, int op, int fd,
- struct compat_epoll_event __user *event);
-asmlinkage long compat_sys_epoll_wait(int epfd,
- struct compat_epoll_event __user *events,
- int maxevents, int timeout);
-#endif
asmlinkage long compat_sys_epoll_pwait(int epfd,
struct compat_epoll_event __user *events,
int maxevents, int timeout,