nfs: initialize the ACL support bits to zero.

commit a1800acaf7d1c2bf6d68b9a8f4ab8560cc66555a upstream.

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

Signed-off-by: Malahal Naineni <malahal@us.ibm.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index b2f842d0901b853583bfc1764bed6707aa874328..1c2beb18a71304149b44814bf09145073c0ce0cd 100644 (file)
--- 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)) {