Patch "ovl: fix get_acl() on tmpfs" has been added to the 4.8-stable tree

Patch "ovl: fix get_acl() on tmpfs" has been added to the 4.8-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    ovl: fix get_acl() on tmpfs

to the 4.8-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ovl-fix-get_acl-on-tmpfs.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From b93d4a0eb308d4400b84c8b24c1b80e09a9497d0 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@redhat.com>
Date: Mon, 31 Oct 2016 14:42:14 +0100
Subject: ovl: fix get_acl() on tmpfs

From: Miklos Szeredi <mszeredi@redhat.com>

commit b93d4a0eb308d4400b84c8b24c1b80e09a9497d0 upstream.

tmpfs doesn't have ->get_acl() because it only uses cached acls.

This fixes the acl tests in pjdfstest when tmpfs is used as the upper layer
of the overlay.

Reported-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 39a25b2b3762 ("ovl: define ->get_acl() for overlay inodes")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/overlayfs/inode.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -294,9 +294,6 @@ struct posix_acl *ovl_get_acl(struct ino
 	if (!IS_ENABLED(CONFIG_FS_POSIX_ACL) || !IS_POSIXACL(realinode))
 		return NULL;
 
-	if (!realinode->i_op->get_acl)
-		return NULL;
-
 	old_cred = ovl_override_creds(inode->i_sb);
 	acl = get_acl(realinode, type);
 	revert_creds(old_cred);


Patches currently in stable-queue which might be from mszeredi@redhat.com are

queue-4.8/ovl-update-s_isgid-when-setting-posix-acls.patch
queue-4.8/ovl-fix-get_acl-on-tmpfs.patch
queue-4.8/ovl-fsync-after-copy-up.patch