Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  devcgroup_inode_permission: take "is it a device node" checks to inlined wrapper
  fix comment in generic_permission()
  kill obsolete comment for follow_down()
  proc_sys_permission() is OK in RCU mode
  reiserfs_permission() doesn't need to bail out in RCU mode
  proc_fd_permission() is doesn't need to bail out in RCU mode
  nilfs2_permission() doesn't need to bail out in RCU mode
  logfs doesn't need ->permission() at all
  coda_ioctl_permission() is safe in RCU mode
  cifs_permission() doesn't need to bail out in RCU mode
  bad_inode_permission() is safe from RCU mode
  ubifs: dereferencing an ERR_PTR in ubifs_mount()

2 files changed, 1 insertions, 8 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 14def991d9dd..8a84210ca080 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2169,11 +2169,7 @@ static const struct file_operations proc_fd_operations = {
  */
 static int proc_fd_permission(struct inode *inode, int mask, unsigned int flags)
 {
-        int rv;
-
-        if (flags & IPERM_FLAG_RCU)
-                return -ECHILD;
-        rv = generic_permission(inode, mask, flags, NULL);
+        int rv = generic_permission(inode, mask, flags, NULL);
         if (rv == 0)
                 return 0;
         if (task_pid(current) == proc_pid(inode))
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index f50133c11c24..d167de365a8d 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -304,9 +304,6 @@ static int proc_sys_permission(struct inode *inode, int mask,unsigned int flags)
         struct ctl_table *table;
         int error;
 
-        if (flags & IPERM_FLAG_RCU)
-                return -ECHILD;
-
         /* Executable files are not allowed under /proc/sys/ */
         if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode))
                 return -EACCES;