From: J. Bruce Fields <bfields@fieldses.org>
Date: Thu, 13 Oct 2005 20:54:27 +0000 (-0400)
Subject: NFSv4: handle no acl attr
X-Git-Tag: firefly_0821_release~40857^2~54^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8c233cf9c2ad6f49df753bdce84fddbf00bf6a75;p=firefly-linux-kernel-4.4.55.git

NFSv4: handle no acl attr

 Stop handing garbage to userspace in the case where a weird server clears the
 acl bit in the getattr return (despite the fact that they've already claimed
 acl support.)

 Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index c5c75235c5b8..cd762648fa9a 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -3255,7 +3255,8 @@ static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
 		if (attrlen <= *acl_len)
 			xdr_read_pages(xdr, attrlen);
 		*acl_len = attrlen;
-	}
+	} else
+		status = -EOPNOTSUPP;
 
 out:
 	return status;