Commit 41d058c3 authored by Trond Myklebust's avatar Trond Myklebust

NFSv4: Disallow security negotiation for lookups when 'sec=' is specified

Ensure that nfs4_proc_lookup_common respects the NFS_MOUNT_SECFLAVOUR
flag.
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 5e6b1990
...@@ -3154,7 +3154,9 @@ static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir, ...@@ -3154,7 +3154,9 @@ static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir,
err = -EPERM; err = -EPERM;
if (client != *clnt) if (client != *clnt)
goto out; goto out;
/* No security negotiation if the user specified 'sec=' */
if (NFS_SERVER(dir)->flags & NFS_MOUNT_SECFLAVOUR)
goto out;
client = nfs4_create_sec_client(client, dir, name); client = nfs4_create_sec_client(client, dir, name);
if (IS_ERR(client)) if (IS_ERR(client))
return PTR_ERR(client); return PTR_ERR(client);
......
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