Patch "ubifs: Fix xattr generic handler usage" has been added to the 4.7-stable tree

Patch "ubifs: Fix xattr generic handler usage" has been added to the 4.7-stable tree

[gregkh]

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

    ubifs: Fix xattr generic handler usage

to the 4.7-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:
     ubifs-fix-xattr-generic-handler-usage.patch
and it can be found in the queue-4.7 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 17ce1eb0b64eb27d4f9180daae7495fa022c7b0d Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Sun, 31 Jul 2016 21:42:23 +0200
Subject: ubifs: Fix xattr generic handler usage

From: Richard Weinberger <richard@nod.at>

commit 17ce1eb0b64eb27d4f9180daae7495fa022c7b0d upstream.

UBIFS uses full names to work with xattrs, therefore we have to use
xattr_full_name() to obtain the xattr prefix as string.

Cc: Andreas Gruenbacher <agruenba@redhat.com>
Fixes: 2b88fc21ca ("ubifs: Switch to generic xattr handlers")
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Tested-by: Dongsheng Yang <dongsheng081251@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/ubifs/xattr.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -575,7 +575,8 @@ static int ubifs_xattr_get(const struct
 	dbg_gen("xattr '%s', ino %lu ('%pd'), buf size %zd", name,
 		inode->i_ino, dentry, size);
 
-	return  __ubifs_getxattr(inode, name, buffer, size);
+	name = xattr_full_name(handler, name);
+	return __ubifs_getxattr(inode, name, buffer, size);
 }
 
 static int ubifs_xattr_set(const struct xattr_handler *handler,
@@ -586,6 +587,8 @@ static int ubifs_xattr_set(const struct
 	dbg_gen("xattr '%s', host ino %lu ('%pd'), size %zd",
 		name, inode->i_ino, dentry, size);
 
+	name = xattr_full_name(handler, name);
+
 	if (value)
 		return __ubifs_setxattr(inode, name, value, size, flags);
 	else


Patches currently in stable-queue which might be from richard@nod.at are

queue-4.7/ubifs-fix-assertion-in-layout_in_gaps.patch
queue-4.7/ubifs-fix-xattr-generic-handler-usage.patch