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From 498a0fb58f119bfa222065fc4f2932e81e1510ed Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Sun, 24 Aug 2014 14:46:48 -0400
Subject: [PATCH] NFSv3: Fix another acl regression
When creating a new object on the NFS server, we should not be sending
posix setacl requests unless the preceding posix_acl_create returned a
non-trivial acl. Doing so, causes Solaris servers in particular to
return an EINVAL.
Fixes: 013cdf1088d72 (nfs: use generic posix ACL infrastructure,,,)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1132786
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
---
fs/nfs/nfs3acl.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index d0fec260132a..24c6898159cc 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -129,7 +129,10 @@ static int __nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
.rpc_argp = &args,
.rpc_resp = &fattr,
};
- int status;
+ int status = 0;
+
+ if (acl == NULL && (!S_ISDIR(inode->i_mode) || dfacl == NULL))
+ goto out;
status = -EOPNOTSUPP;
if (!nfs_server_capable(inode, NFS_CAP_ACLS))
--
1.9.3
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