nfs: initialize the ACL support bits to zero.

Malahal Naineni · trondmypd · commit a1800acaf7d1 · 2014-01-31T08:28:16.000-05:00
Avoid returning incorrect acl mask attributes when the server doesn't
support ACLs.

Signed-off-by: Malahal Naineni &lt;malahal@us.ibm.com&gt;
Signed-off-by: Trond Myklebust &lt;trond.myklebust@primarydata.com&gt;
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
@@ -3449,7 +3449,7 @@ 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)) {

Original file line number	Diff line number	Diff line change
`@@ -3449,7 +3449,7 @@ static int decode_attr_aclsupport(struct xdr_stream xdr, uint32_t bitmap, uint`
`3449`	`3449`	`{`
`3450`	`3450`	`__be32 *p;`
`3451`	`3451`
`3452`		`- *res = ACL4_SUPPORT_ALLOW_ACL\|ACL4_SUPPORT_DENY_ACL;`
	`3452`	`+ *res = 0;`
`3453`	`3453`	`if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))`
`3454`	`3454`	`return -EIO;`
`3455`	`3455`	`if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {`