Merge tag 'seccomp-v4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees...

[linux-2.6-microblaze.git] / fs / namespace.c

diff --git a/fs/namespace.c b/fs/namespace.c
index 54059b1..3b601f1 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -468,7 +468,9 @@ static inline int may_write_real(struct file *file)
 
        /* File refers to upper, writable layer? */
        upperdentry = d_real(dentry, NULL, 0, D_REAL_UPPER);
-       if (upperdentry && file_inode(file) == d_inode(upperdentry))
+       if (upperdentry &&
+           (file_inode(file) == d_inode(upperdentry) ||
+            file_inode(file) == d_inode(dentry)))
                return 0;
 
        /* Lower layer: can't write to real file, sorry... */