[PATCH] permission checks for chdir need special treatment only on the last step

... so we ought to pass MAY_CHDIR to vfs_permission() instead of having
it triggered on every step of preceding pathname resolution.  LOOKUP_CHDIR
is killed by that.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 2 deletions

diff --git a/fs/namei.c b/fs/namei.c
index ae0e56fdb742..6c76e1ee9c45 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -268,8 +268,6 @@ int permission(struct inode *inode, int mask, struct nameidata *nd)
                 if (nd) {
                         if (nd->flags & LOOKUP_ACCESS)
                                 extra |= MAY_ACCESS;
-                        if (nd->flags & LOOKUP_CHDIR)
-                                extra |= MAY_CHDIR;
                         if (nd->flags & LOOKUP_OPEN)
                                 extra |= MAY_OPEN;
                 }