linux-kernel - [PATCH 3.12 09/72] nfs: initialize the ACL support bits to zero.

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Message-Id: <0eec43085e1f17a7634ce07073cb6c254135beb7.1397812482.git.jslaby@suse.cz>
Date:	Fri, 18 Apr 2014 11:21:42 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Malahal Naineni <malahal@...ibm.com>,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 09/72] nfs: initialize the ACL support bits to zero.

From: Malahal Naineni <malahal@...ibm.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit a1800acaf7d1c2bf6d68b9a8f4ab8560cc66555a upstream.

Avoid returning incorrect acl mask attributes when the server doesn't
support ACLs.

Signed-off-by: Malahal Naineni <malahal@...ibm.com>
Signed-off-by: Trond Myklebust <trond.myklebust@...marydata.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 fs/nfs/nfs4xdr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index b2f842d0901b..1c2beb18a713 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -3405,7 +3405,7 @@ static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint
 {
 	__be32 *p;
 
-	*res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL;
+	*res = 0;
 	if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
 		return -EIO;
 	if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
-- 
1.9.2

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