1 files changed, 31 insertions, 61 deletions

diff --git a/fs/compat.c b/fs/compat.c
index 5216c3fd7517..2ce4456aad30 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -241,10 +241,10 @@ asmlinkage long compat_sys_statfs(const char __user *path, struct compat_statfs
         error = user_path_walk(path, &nd);
         if (!error) {
                 struct kstatfs tmp;
-                error = vfs_statfs(nd.dentry, &tmp);
+                error = vfs_statfs(nd.path.dentry, &tmp);
                 if (!error)
                         error = put_compat_statfs(buf, &tmp);
-                path_release(&nd);
+                path_put(&nd.path);
         }
         return error;
 }
@@ -309,10 +309,10 @@ asmlinkage long compat_sys_statfs64(const char __user *path, compat_size_t sz, s
         error = user_path_walk(path, &nd);
         if (!error) {
                 struct kstatfs tmp;
-                error = vfs_statfs(nd.dentry, &tmp);
+                error = vfs_statfs(nd.path.dentry, &tmp);
                 if (!error)
                         error = put_compat_statfs64(buf, &tmp);
-                path_release(&nd);
+                path_put(&nd.path);
         }
         return error;
 }
@@ -702,9 +702,6 @@ static int do_nfs4_super_data_conv(void *raw_data)
                 real->flags = raw->flags;
                 real->version = raw->version;
         }
-        else {
-                return -EINVAL;
-        }
 
         return 0;
 }
@@ -2083,51 +2080,6 @@ long asmlinkage compat_sys_nfsservctl(int cmd, void *notused, void *notused2)
 
 #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 +2105,7 @@ asmlinkage long compat_sys_epoll_pwait(int epfd,
                 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.
@@ -2206,19 +2154,41 @@ asmlinkage long compat_sys_signalfd(int ufd,
 
 #ifdef CONFIG_TIMERFD
 
-asmlinkage long compat_sys_timerfd(int ufd, int clockid, int flags,
-                                   const struct compat_itimerspec __user *utmr)
+asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
+                                   const struct compat_itimerspec __user *utmr,
+                                   struct compat_itimerspec __user *otmr)
 {
+        int error;
         struct itimerspec t;
         struct itimerspec __user *ut;
 
         if (get_compat_itimerspec(&t, utmr))
                 return -EFAULT;
-        ut = compat_alloc_user_space(sizeof(*ut));
-        if (copy_to_user(ut, &t, sizeof(t)))
+        ut = compat_alloc_user_space(2 * sizeof(struct itimerspec));
+        if (copy_to_user(&ut[0], &t, sizeof(t)))
                 return -EFAULT;
+        error = sys_timerfd_settime(ufd, flags, &ut[0], &ut[1]);
+        if (!error && otmr)
+                error = (copy_from_user(&t, &ut[1], sizeof(struct itimerspec)) ||
+                         put_compat_itimerspec(otmr, &t)) ? -EFAULT: 0;
 
-        return sys_timerfd(ufd, clockid, flags, ut);
+        return error;
+}
+
+asmlinkage long compat_sys_timerfd_gettime(int ufd,
+                                   struct compat_itimerspec __user *otmr)
+{
+        int error;
+        struct itimerspec t;
+        struct itimerspec __user *ut;
+
+        ut = compat_alloc_user_space(sizeof(struct itimerspec));
+        error = sys_timerfd_gettime(ufd, ut);
+        if (!error)
+                error = (copy_from_user(&t, ut, sizeof(struct itimerspec)) ||
+                         put_compat_itimerspec(otmr, &t)) ? -EFAULT: 0;
+
+        return error;
 }
 
 #endif /* CONFIG_TIMERFD */